Film, Foil and Food Wrap Buying Guide

30 Dec.,2024

 

Film, Foil and Food Wrap Buying Guide

Film, Foil and Food Wrap Buying Guide

The everyday essentials in a food business include cling film and foil.  These items are used in so many different varieties of food preparation, from cooking food to protecting food.  For restaurants and catering facilities industrial sizes are more appropriate than household products.  Believe it or not, there are many different types of foil and cling film, including different sizes and strengths.  For complete convenience, the Alliance products come with convenient cutter boxes with different widths as well as film and foil dispensers which are useful in kitchens and takeaway establishments.

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Foil is often referred to as standard or heavy duty which refers to the thickness.  The heavier the gauge the thicker and stronger the foil is.

Standard Duty Aluminium Foil

This is the most common choice for restaurant kitchens and is used for many different food applications.  Look for non-stick aluminium foil which is perfect for wrapping meat, cheese, sandwiches, baking potatoes, covering baking trays and pans etc.  You are able to select from different sizing options according to your requirements.

Heavy Duty Aluminium Foil

This is thicker than standard duty aluminium foil and is designed to be extra durable, withstanding plenty of wear and tear.  It is resistant to punctures and tears and perfect for pans, lining ovens, baking, roasting and boiling.  Choose from various different sizes according to your requirements.

Food Wrap

Some food wrap comes in pre-cut sizes which makes wrapping food even more convenient, reducing the need to unroll and work out how much foil you need.  These food wrap sheets are suitable for lots of different products, from sandwiches to potatoes, hot dogs to burgers etc.  Food wrap is great for a takeaway restaurant, fast food restaurant or for a sandwich bar or café serving food to go. 

Paper Wrap

Using good quality paper in food preparation is essential to preserve freshness and for hygienic food handling.  It&#;s important to know what you need for the right application, for example, there is paper for meat, freezing, baking and sandwiches as well as baking parchment for when baking cakes, muffins, savouries etc. 

  • Butcher Paper For burgers, it&#;s best to use butcher paper which is strong and coarse ideal for wrapping up fish or meat and commonly used at fishmongers and butchers. There are different size rolls and most of this paper is specially treated to prevent leakage and food soaking through. 
  • Freezer Paper For freezing, there is special paper coated with a low density polyethylene laminate on one side. This keeps the paper nice and sturdy and prevents leakage.  Freezer paper is used for wrapping and storing poultry, cheese, fish, meat but it is also excellent for sandwiches and other sandwich type product (baguette, wraps etc.) You can use freezer paper for wrapping up pasta as well.
  • Sandwich Wrap Grease resistant sandwich wrap paper is different because it is lighter and many sandwich wrap papers are pre-printed which makes the sandwich even more visually attractive to your customer. Sandwich wrap is perfect for pastries, buns, burgers, hot dogs etc. and is also traditionally used to line serving baskets for bread and chips. 
  • Baking Parchment Baking paper is essential for bakers and for restaurants which offer baked goods because it prevents sticking during the cooking process. It is coated with silicone so you don&#;t need to grease your pan or tin.  It is recyclable too so very kind to the environment and there are various different sizes available according to your requirements.

Cling Film

Strong, stretchy and practical, cling film is ideal for wrapping and preserving the freshness of food.  It generally comes on a roll and many rolls come with a useful cutting edge for ease and convenience.  Cling film is suitable for freezing, refrigeration and microwave but cannot be used in an oven.  Choose from various different sizes according to your requirements.

For further information on Film, Foil and Food Wrap visit the Catering Disposables pages or contact the Alliance customer care team

Back to the Catering Disposables buying guides

A Complete Buying Guide for Aluminum Foil Bags

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As a professional aluminum foil bags manufacturer in China, we offer high-quality aluminum foil bags in various sizes, colors and shapes, such as stand-up pouches, flat bottom pouches, pillow pouches, side slip pouches, side seal pouches, craft paper look pouches, and many more others. All of these bags are available in glossy, matte and shiny finish attributes for effective product display.

Before you buy foil bags, read this guide. It contains all the information to help you choose a quality and reliable foil pouch. Whether you want to know about features, specifications, design, or quality standards, you will find all the information here.

1. What is an aluminum foil bag?

These bags have several layers of film that you laminate with adhesive. This makes them durable and therefore puncture resistant. In addition, they protect the product from external factors such as steam, oxygen, odors, or pollutants. In most cases, three layers make up a foil pouch. These bags are an excellent solution for the packaging industry. They come in different sizes, styles and additional features, depending on the customer&#;s specifications. They are versatile as they are used in different industries from technology to medicine.

2. The use of aluminum foil bags

You&#;ll find foil bags for storage. This ensures the accuracy of the packaging process, as this may affect the lifespan of the product in the package. You can do this by protecting your packaging from extreme weather and product degradation.

The foil pouch protects contents from:

  • extremely hot
  • severe cold
  • moisture content
  • oxygen
  • pests
  • odor filter

This is achieved by using multiple layers of film inside the foil pouch. In addition, aluminum foil bags can be used to extend the shelf life of food when you use them on the innermost layer of the package.

The packaging is of high quality and complies with FDA requirements. This ensures you meet your customers&#; needs and maintain a high level of hygiene. Aluminum foil bags can pack a variety of products:

  • chemical industry
  • edible spices
  • plastic particles
  • auto parts
  • electronic equipment
  • drug
  • optical instrument
  • masterbatch
  • food product

3. Types of aluminum foil bags on the market

You&#;ll find the following foil bags:

1) Aluminum foil stand-up pouch with valve

These bags provide great protection and aesthetics. In addition, they maintain the freshness, flavor and quality of preservatives in edible products.

They pack snacks such as:

  • fried snacks
  • cocktail dessert
  • baked snacks

2) Aluminum foil stand-up pouch without valve

They are suitable for products that do not emit gas or vapor. One can also include additional functions.

3) Aluminum stand-up foil pouch with zipper

They feature a simple design and high-quality material construction. The bag can be resealed thanks to the durable zipper.

The sturdy bottom allows it to stand upright on a shelf making these stand-up pouches suitable for packaging the following products:

  • A) coffee
  • B) tea
  • C) various edible products

4) Custom-printed stand-up foil pouches.

They pack a variety of materials and can have windows. Customers can request custom printing embedded on the bag upon delivery. These include company logos, user manuals, product information, graphics, and more.

5) Transparent aluminum foil stand-up pouch

These bags are opaque and therefore do not protect the product from UV rays. They allow customers to see the contents of the bag at the time of purchase. Suitable for nuts, snacks, dried fruit and more.

6) Aluminum foil stand-up pouch with transparent window

The window allows customers to view the products inside the bag. They provide durable storage solutions for tea, sugar, rice and more. Also, windows can come in different shapes and sizes.

7) Gusseted aluminum foil bag

These are great for packing coffee, snacks, nuts and more. They have four gusseted sides with flat bottoms to keep them upright.

8) Gusseted aluminum foil bag with valve

They have a vent that allows extra gas to escape from the bag, preventing the bag from bursting. It allows the product to stay fresh for some time.

9) Square bottom with gusset with E-zip foil bag

The E-zipper allows customers to reseal the bag after opening it.

10) Easy-peel aluminum gusset pouch

They are easy to open for customer convenience. This allows it to be opened without using items such as scissors.

11) Four-seal gusseted aluminum foil bag

The quad-seal bag provides great barrier protection. It contains other materials such as PET and LLDPE. These two materials will help block UV rays, oxygen, moisture, and more. Plus, they&#;re BPA-free and FDA-compliant.

For example, I have a client who does wholesale cell business, including used phones. He told me that he uses aluminum foil bags to keep the electronics inside the . And these aluminum foil bags can preserve his products well.

12) Aluminum foil bag with spout

With a pouring system called a spout, this bag is suitable for liquid storage.

They can pack liquids such as:

  • A) juice
  • B) sauces
  • C) drinks
  • D) detergents

13) Aluminum foil vacuum bag

They contain the best materials that protect the contents from external elements. Once you suck the air out of the bag, the bag is heat-sealed. This creates a vacuum. Plus, you can add add-ons like tear-outs, hanging holes, and more.

14) Aluminum foil retort pouch

They are also known as reportable bags, which are constructed to protect products from the elements.

They apply to packages:

  • A) ready-to-eat food
  • B) fresh food
  • C) organic food
  • D) soup
  • E) pet food

15) Aluminum foil flat bag

They are simple and easy to fill and seal. Plus, they have no pleats or gussets to which accessories can be added.

16) Pillow Aluminum Foil Bag

They consist of an upper surface mainly for opening, a rear/front part, and a sealing bottom. These foil bags are also known as T-seal bags or carrier bags. To protect your cargo from oxygen, moisture odor, and water vapor, they need to have strong barrier properties. They are affordable and have a large print area. Plus, they provide convenience and reliability for add-ons.

17) Side-seal aluminum foil bag

These bags have pleats on both sides and become larger once filled with product. Suitable for packaging coffee, tea, powder, pet food, etc. They are lightweight bags, so you can make them into any shape you choose.

Some have 4 fully sealed sides, or 3 sealed sides and an open side for filling purposes. It has the following advantages:

  • A) Resealable zipper
  • B) Aesthetic appeal
  • C) Different tear openings
  • D) Round bag
  • E) A clear window
  • F) Possibility to use matt or glossy finishes
  • G) Availability of hanging holes

18) Three-side sealed aluminum foil bag

These bags are made from one layer of laminated plastic film. They have two closed sides and the top can be sealed or exposed. Also, they are lightweight and economical. They are suitable for both food and non-food items such as:

  • A) Cosmetics
  • B) Meat
  • C) Poultry
  • D) Medicines
  • E) Dried fruit
  • F) Fish

4. Features and specifications of aluminum foil bags

There are many functions such as:

  • It provides a strong barrier against external elements
  • Strong mechanical properties make it resistant to punctures and tears.
  • The bag is also highly resistant to blasting.
  • It can also withstand high temperatures up to 121°C and low temperatures up to -50°C.
  • Non-absorbent makes it resistant to oil, grease, etc.
  • It will also retain the perfect aroma of the product within.
  • The bags are odorless and non-toxic.
  • Its heat-sealing performance is good.
  • The bag is soft and offers a high barrier capacity.
  • It is light in weight.
  • Plus, it keeps its shape when you deform it.
  • In addition, the thermal conductivity is 235 W/mK.
  • The resistivity is 2.65 µΩ.cm.
  • The conductivity is 37.67 m/mm2d.
  • The melting point is 660.
  • Aluminum foil bags reflect 98% of heat and light.
  • It is also not magnetic, thus providing suitable electrical shielding.
  • The bags are sterile and therefore cannot support the growth of bacteria or other organisms.

5. How is the aluminum foil bag made?

There are two methods to extract aluminum from bauxite material. The first process is refining the ore. This will remove contaminants such as:

  • silica
  • water
  • iron oxide
  • Titanium dioxide

Afterward, you smelt the remaining alumina to get pure aluminum. After this, you will roll the aluminum to produce foil. Here&#;s the step-by-step process on how to make foil bags:

1) Refine

First, you will refine the product via the process:

A. Digest

Here, you&#;ll grind bauxite and mix it with sodium hydroxide. You&#;ll then pump it under pressure into large tanks called digesters. This mixture breaks down the ore, forming saturated sodium aluminate and insoluble contaminants.

b. Clarification

At this stage, the mixture passes through several tanks and presses. The cloth will filter insoluble contaminants and the residue goes to the cooling tower.

C. Precipitation

In this step, you will seed the fluid with crystals to enhance particle formation. As the seed crystals come into contact with other crystals in the fluid, the aluminum hydroxide will begin to form in large clumps. After this, you&#;ll strain and rinse out the clumps.

D. Calcination

During this stage, you&#;ll be exposing the aluminum hydroxide to very high temperatures. This will remove the moisture from the material, leaving a white powdery residue called alumina.

2) Smelting

The process will separate the aluminum oxides from the Bayer process. It involves dissolving alumina in a smelting bath. The current causes crusting on the alumina to melt. When alumina dissolves, it undergoes electrolysis and produces pure fused alumina. Molten alumina enters the crucible and enters the furnace. One can add other elements to give personality to the final product.

3) Rolled foil

This stage will roll flat sheets to form thin foils. The rolling mill will pass the re-rolled stock separately, thinning them with each squeeze. During this process, alumina is heated to improve its machinability. The machine trims and cuts the paper as it emerges from the drum.

4) Bag formation

Here, pre-cut aluminum oxide sheets are shaped to form bags. The shape and size of the bag depending on the packaging needs. Additionally, you can coat the material with resin to provide an aesthetic effect. Additionally, you can compound alumina with paper, plastic film, and more. After the bag is formed, you will ship it to the customer.

6. The benefits of aluminum foil bags

Aluminum foil bags have the following advantages.

1) Plentiful

Materials are plentiful and in no danger of running out.

2) Light

Aluminum oxide is not heavy, so it is easy to shape it. It also reduces packaging costs.

3) High-cost performance

It is easily obtained and molded into various shapes. Additionally, it is less expensive than other packaging materials such as plastic and glass.

4) Excellent barrier properties

Aluminum foil bags are made of multiple layers. In most cases, up to four (4) layers will be merged during authoring. Each layer has a unique function.

5) Environmentally friendly

Foil bags are environmentally friendly as they are made from biodegradable materials. Foil bags are also recyclable and therefore good for the environment. Manufacturing them takes very little energy compared to plastic bags.

6) Versatile

Foil bags can be easily customized. It can be used in a variety of industries, namely:

  • A) Pharmaceutical industry
  • B) Technology
  • C) Food industry

7) Customization

Aluminum foil can be customized according to the user&#;s needs and specifications.

8) Good display

Foil pouches are available in different finishes for a great display of products. You&#;ll notice that some come in clear packaging, allowing consumers to see what&#;s inside.

9) Applicability

Foil bags are suitable for storing and packing items. This is because they are airtight, keeping the contents from moisture, pests and bad odors. Foil bags can be customized so that they fit comfortably in the refrigerator and on shelves. Some are also freestanding, suitable for shelf and retail display.

10) Puncture resistant

Aluminum foil can be designed to be puncture resistant yet still flexible. This is advantageous because losses due to the following factors can be minimized and avoided:

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  • Vandalism
  • The smell seeps through.
  • Moisture loss

11) Printing

Foil bags are printed with more information because common stamps can be printed on them, such as

  • Digitally print on any part of the foil pouch.
  • Gravure printing on the recessed surface of the bag
  • Flexo printing on raised areas.

12) Add-ons

Includes the following features:

  • tear opening
  • matte finish
  • self-supporting bottom function
  • resealable zipper

7. Aluminum foil bag material specification

These include:

  • Materials from PET, AL and LLDPE.
  • The thickness is between 0.045mm and 0.12mm, or according to customer requirements.
  • ISO :, ISO: and QS certifications.
  • Material reports such as SGS and MSDS.

8. Benefits of FDA-approved aluminum foil bags

The Food and Drug Administration will protect public health and ensure that products are safe and efficient. This ensures you meet the health and safety needs of the public while maintaining a high level of hygiene.

Here are the benefits of being FDA-compliant:

1) Promote uniform common principles for retail food handling to reduce complexity and better ensure consistency.

2) Ensure health guidelines reflect the latest scientific knowledge.

3) Through organized collective circulation, the Codex Alimentarius reflects the contributions of all partners.

4) Partners can leverage the logical and human assets provided by FDA and various offices to ensure the completion of the FDA&#;s Codes.

5) Provide successful controls as a means of reducing the risk of food-borne illness.

6) Provides an exhaustive approach to handling sanitation with extensive supporting documentation and preparation techniques.

7) Promote and consider the standardization of examinations and assessors.

8) It can bring savings related to inspection.

9) Reduce complexity and hassle for industry and government.

10) It improves customer understanding of food handling assumptions.

11) Produce a typical/normalized food handling language that can improve communication between controllers and industry managers.

12) Consistency using similar food codes allows associations to be performed between public chains by providing a standard investigation model.

13) States and community organizations use the FDA&#;s understanding of the Codex Alimentarius to reduce liability associated with improved understanding.

14) Make a standard language between the controller and the industry.

15) Encoura age typical understanding of hazards, risk control, and management between industry and controllers.

16) Reduce industry food safety preparation costs by allowing training materials to be used across the platform.

9. Types of aluminum foil bag closures

  • peel seal
  • heat seal
  • zip top
  • press-to-seal
  • heat-sealed tear
  • one-way valve
  • sliding zipper seal

10. Barrier performance of aluminum foil bag

The barrier layer of aluminum foil has 3 or 4 layers of different materials. Also, barriers will protect the purity of the application. The barrier will have the following structure:

1) Polyester fiber

The outer layer will provide high-temperature resistance. It also has good mechanical strength. In addition, it also waterproofs the material in the bag.

2) Aluminum

This layer sits between polyester and polyethylene to keep outside elements from entering the bag. It prevents the product in the bag from spoiling.

3) Polyethylene

This enables one to heat seal or weld the barrier foil into your preferred shape. The performance of barrier foils is given by the water vapor transmission rate (WVTR). For laminate, it is <0. g/100inches²/24hrs and <0.003g/100inches²/24hrs for the laminate you convert.

Aluminum barrier foils have the following beneficial properties:

  • Corrosion removal
  • Protects absorbent products from moisture ingress and damage.
  • Items sensitive to the atmosphere are sealed from the outside world.
  • Reduces desiccant usage, thereby reducing overall shipping weight
  • Cut out the preservation method including washing
  • No need to re-dry items
  • Eliminates movement of odors in and out of the  packaging
  • Reduce the need for storage in case of changing environments
  • Neat packing
  • Suitable for hot fill applications
  • It is approved by the European Pharmacopoeia and FDA
  • Suitable for anti-static applications
  • Recycleouter container

11. Available options for foil pouch color and finish

The finish on the bags will provide aesthetic appeal to the customers, thereby prompting them to purchase the items. You can apply two finishes: glossy or matte.

1) Matt finish

It will give a dull look but still look professional and attractive. Make sure the print is visible from a distance.

2) Glossy finish

This will give the aluminum bag a more shiny and polished finish. Any likeness, logo, graphic or imprint on these bags can be easily recognized by customers from afar. Also, you can use foil bags in different colors according to your needs and designs.

Some colors include:

  • gold
  • silver
  • black
  • red
  • blue
  • green
  • white

12. Aluminum foil bag size

Aluminum pouch sizes vary by application. In addition, the quantity and nature of the product will also affect the bag size.

13. Aluminum foil bag thickness

The thickness of foil pouches varies by application. For example, some snack bags are very thin, while chemical fiber bags are thick. The quantity and nature of the product will affect its thickness.

14. Minimum order quantity (MOQ) for aluminum foil bags

MOQ is the minimum quantity of foil bags that the supplier can sell you. For example, if the MOQ is pcs, the supplier cannot sell you less than this quantity. Products with higher production costs have a lower MOQ compared to products with lower production costs.

Here are some factors that affect the MOQ:

1) Customization

This will affect the MQ because customization needs more production time and cost. For example, colorful designs are expensive to produce, thus resulting in a high MOQ.

2) Types of aluminum foil bags

Foil bags that are easy to manufacture will require less MOQ. For example, aluminum foil flat bags are easy to make, so the MOQ requirement is lower. Foil bags, on the other hand, require additional add-ons and thus require a high MOQ.

3) Mold price

These designs will require the company to open a new mold when you are customizing your foil pouches. This means the company will increase the minimum order quantity to offset the high fees.

4) Company size

Large companies with many employees have a high MOQ for aluminum foil bags. Also, they have large machines, so they cannot produce small quantities by resetting parameters. In contrast, small companies can offer low minimum order quantities.

5) Package size

A roll of composite film can produce about meters of aluminum foil. This means that the same roll will produce more small bags and fewer large bags.

6) Packaging bag material

Combining lamination film can reduce MOQ.

7) Printing process

The flexographic printing method is more suitable forsmall-batchh packaging bag printing. This is due to its small and compact system nature, so, for a MOQ of thousands, this is not a problem. On the other hand, engraving and printing processes require large machines. Production of 10,000 pcs or less is difficult to do, so the MOQ is more than pcs.

8) Suppliers

A few factors will determine whether a supplier can sell you a small number of foil pouches:

  • Suppliers and customers must have a two-way trust agreement.
  • It is more expensive to produce the product, and the supplier cannot make a profit.
  • Supplier&#;s production procedures
  • Some customers will not add extra quantities when requesting custom aluminum foil bags, which means the manufacturing cost will be high.

15. Foil bag printing option

Graphics can be included on the bag as it is puncture resistant and opaque. This makes it easy to apply print that is attractive to customers and the printing can be the following information:

  • picture
  • text
  • logo
  • instruction
  • nutrients

This makes them more attractive and informative to consumers. The most common options available for printing foil pouches are:

1) Flexographic printing

Photopolymer printing plates are used in this technique.

2) Gravure printing

The image is applied to the substrate using the mounted plate cylinder.

3) Digital printing

A digital image-based method is used on bags.

16. Foil bag cost

Several factors affect the cost of foil bags, including:

  • The number of bags you purchased
  • Bag type
  • Your supplier
  • Additional features

17. The difference between kraft paper bags and aluminum foil bags

The key difference is their usage. Kraft paper bags are specialized food-grade bags. It is used to package various commodities, including food, in aluminum foil bags.

18. Plastic bags and aluminum foil bags for food packaging

You&#;ll choose the best option from the two based on the type of food you&#;re packing. Each has its advantages.

The advantages of plastic bags are:

  • Flexible and adaptable
  • Lightweight and thus requiring less storage space
  • Durable in all weather conditions
  • Economic

The advantages of aluminum foil bags are:

  • Prevent the contents from oxidizing, waterproof and moisture-proof.
  • It complies with health and safety standards for food storage and packaging.
  • It is highly resistant to punctures, tears and blasts.

The main disadvantages of plastic bags are:

  • It is not airtight, which affects the freshness of the food and leads to contamination.
  • It doesn&#;t have great consistency due to the low resistance.

In conclusion, compared to plastic bags, aluminum foil bags are more suitable for food storage.

19. Factors to consider when choosing aluminum foil bags

You should consider the following factors:

1) Elasticity

This refers to the elasticity of the foil. They are two types:

  • Soft tempered foil
  • Hard steel foil

The material you plan to pack will determine your choice. Soft-tempered aluminum foil is the most common. It is easily extendable. It is more suitable for packaging three-dimensional products such as butter and chocolate. Rigid tempered aluminum foil is good for packaging rigid and compact products.

2) Measurement

Aluminum foil bags are measured by their thickness. It is measured in thousands of inches (Mil) and microns (Microns). It ranges from 235 million to 2 million. If your product is heavy, it is better to choose a product with a greater thickness.

3) Alloy

This refers to the bursting strength and elongation of the aluminum foil.

4) Wettability

This is divided into three levels, namely:

  • Grade A &#; Best for printing.
  • Grade B &#; Printed on the first film only.
  • Grade C &#; Stamp printing only.

Wetting determines the quality of printing that can be applied on foil pouches.

20. The impact of aluminum foil bags on human health

Foil bags are thought to cause Alzheimer&#;s disease. A neurological disorder that causes the loss of brain cells. These diseases are associated with high aluminum levels in the body system. Foil bags come in handy. The benefits they offer far outweigh the disadvantages. However, the risks of how and when to use them should be considered. Foods with high acidity should not be stored in foil bags to avoid leaching.

The following precautions should be taken:

  • Avoid high-heat cooking: Cook food at lower temperatures whenever possible.
  • Use less aluminum foil: Reduce the use of aluminum foil when cooking, especially when cooking with acidic foods such as tomatoes or lemons.
  • Use non-aluminum utensils: Use non-aluminum utensils for cooking, such as glass or porcelain flatware and utensils.
  • Avoid mixing aluminum foil with acidic foods: Avoid exposing aluminum foil or cookware to acidic foods such as tomato sauce or rhubarb.

21. Conclusion

We offer a range of aluminum foil bags according to your unique requirements and specifications. If you have any questions about your foil pouch order, please contact us anytime.

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