Nylon 6/6 Testing Services

Polyhedron Laboratories provides testing services for all plastics materials and products, including Nylon 6/6 testing. In addition to materials and quality assurance testing, Polyhedron Laboratories can perform chemical resistance and failure analysis. All tests are performed to ASTM standards.

Nylon 6/6 Information

Nylon 6/6 is a semi-crystalline polyamide composed of polyhexamethyleneadiptimide.  Nylon 6 and Nylon 6/6 are the two most common grades of nylon manufactured. The number refers to the number of carbons that occur on each side ofthe amide groups, or nitrogen atoms.

Nylon 6/6 is a semi-crystalline compound. As a result, it has high tensile and flexural strength which results in a material that is wear, chemical and thermal resistant. It also exhibits high abrasion resistance and self-lubricating properties. Nylon 6/6 has a yield strength of 6500-8500 psi.

Nylon 6/6 is used mainly in fiber applications such as carpeting, clothing and tirecord due to its high wear resistance. Its high abrasion resistance and self-lubrication characteristics make it an excellent material for bearings, gears and other high-wear parts and components.

The most common properties of Nylon 6/6 are shown in the table below. Polyhedron Laboratories specializes in performing the tests listed in the table.

PROPERTIESASTM TEST METHODCOMMON VALUES AND RANGES
Melt flow (g/10 min)

D1238

-

 

Melting temperature, °C

-

255-265

Processing temperature range, °C - Injection

-

287

Molding pressure range, 103 psi

-

1-20

Tensile strength at break, psi

D638

12,400

Elongation at break, %

D638

90

Tensile yield strength, psi

D638

6500-8500

Compressive strength (rupture or yield) psi

D695

15,000

Flexural strength (rupture or yield) psi

D790

17,000

Tensile modulus, 103 psi

D638

550

Compressive modulus, 103 psi

D695

15,000

Flexural modulus, 103 psi (23°C)

D790

410

Izod Impact, ft·lb/in of notch

D256A

0.50-2.1

Rockwell Hardness

D785

120

Coefficient of linear thermal expansion, 10-6 in/in/°C

D696

80

Deflection temperature °C (66 psi)

D648

235

Specific gravity (g/cm3)

D792

1.14

Water Absorption, % ( 24 hrs.)

D570

8.5

Dielectric strength short time, v/mil

D149

600

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