Nylon (PA) 6 & 66 are both synthetic polymers called polyamides, with the numbers describing the type and quantity of polymer chains in their chemical structure. Most nylons, including 6 & 66, are semi-crystalline and possess good strength and durability for demanding applications.
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Nylon Properties
As polyamides, Nylon 6 & 66, whilst having their own separate and distinct benefits, do share many of the same core properties:
Differences
So whilst Nylon 6 & 66 are very similar materials, they do provide slightly different characteristics. The reason for the differences is largely due to their differences in chemical structure. Nylon 6 is made from one monomer which has 6 carbon atoms whilst Nylon 66 is made from 2 monomers with each one having 6 carbon atoms, hence the Nylon 66 name.
NYLON 6
NYLON 66
Less crystalline
More crystalline
Lower mold shrinkage
Exhibits greater mold shrinkage
Lower melting point
Higher melting point
Lower heat deflection temperature
Higher heat deflection temperature
Higher water absorption rate
Lower water absorption rate
Poor chemical resistance to acids
Better chemical resistance to acids
Withstands high impact and stress and better stands up to hydrocarbons
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Better stiffness, tensile modulus and flexural modulus
Lustrous surface finish, easy to colour
More difficult to colour
An important difference between Nylon 6 & 66 is mold shrinkage. Nylon 6&#;s lower mold shrinkage adds reliability to final part dimensions which is beneficial whilst Nylon 66&#;s greater mold shrinkage, as it is exposed to cool air and solidifies, means the material&#;s shape changes more after processing, which must be accounted for.
Other key differences between the two nylons are water absorption rates and heat deflection temperatures. As Nylon 6 absorbs more water than Nylon 66 and has lower heat deflection temperatures, it is not suited to applications that are exposed to water at high temperatures. Nylon 66 would be a better choice between the two.
Typical Material Applications
Which One Should I Choose?
The needs of an application have to be considered in terms of processing, aesthetic appearance, and mechanical properties first, in order to decide whether Nylon 6 or 66 is more suitable.
Nylon 6 should be used if a lightweight engineering plastic is required to withstand high impact and stress. It has better aesthetic appearance than Nylon 66 due to its lustrous finish and is easier to dye. It is an ideal choice for applications in the automotive, industrial and military industries. Common applications include: gears, firearm components and automotive engine compartments. It is not ideal, however, for applications that are exposed to water at high temperatures due to its higher water absorption and lower heat deflection rate than Nylon 66, which would be a better choice.
Nylon 66 should be used if a high performing engineering plastic is required that will be exposed to higher temperatures. Additionally, its stiffness and good tensile and flexural modulus make it an ideal material for applications that need repeated long-term performance. Typical applications include: friction bearings, radiator caps and tire ropes.
According to Volza's Global Import data, World imported 3,484 shipments of Nylon Tire Cord Fabric during Mar to Feb (TTM). These imports were supplied by 271 exporters to 281 Global buyers, marking a growth rate of -25% compared to the preceding twelve months. Within this period, in Feb alone, World imported 293 Nylon Tire Cord Fabric shipments. This marks a year-on-year growth of 26% compared to Feb , and a -5% sequential increase from Jan .
World imports most of its Nylon Tire Cord Fabric from Vietnam, China, and Thailand.
Globally, the top three importers of Nylon Tire Cord Fabric are United States, India, and Vietnam. United States leads the world in Nylon Tire Cord Fabric imports with 7,902 shipments, followed by India with 4,512 shipments, and Vietnam taking the third spot with 2,259 shipments.
Data SourceThe free data and details provided on this page are up-to-date until Jul 17, only, However Our information is updated daily and Paid subscribers have access to the most recent data. All facts are derived from Volza's import export data of Brass in World, which encompasses global import export transactions across over 80+ countries.
Data FieldsThe data fields provide comprehensive information including a description of the Nylon Tire Cord Fabric product, its HSN code, shipment date, price, quantity, countries of origin and destination, ports of origin/destination, details of Importers and Suppliers, and top decision makers' contact information. We also provide shipment dates, countries of origin and destination, as well as ports of origin and destination.
Decision MakersVolza's data includes top decision-makers' profiles with direct contact information such as numbers, emails, and LinkedIn profiles.
Data Source: Volza Import Data
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