Technical datasheet

KOPA® KN331F

Supplied byKolon ENP- Last Updated on Feb 2, 2026

KOPA® KN331F by Kolon ENP is a medium viscosity polyamide (PA 66) grade. Possesses excellent flow, self lubrication, high mechanical & tensile strength as well as good electrical properties. Offers recyclability, high flowability and good mold release. Exhibits high abrasion-, chemical and long term heat resistance. Is suitable for processing by injection molding. Used in cable ties, automotive and electrical/electronics applications. KOPA® KN331F by Kolon ENP complies with RoHS, ISO 9001, ISO/TS 16949, ISO 14001 and KS I 7001/7002 certificates.
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Benefits

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Compliance

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Availability

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KOPA® KN331F properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Arc Resistance0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Constant0.0 Visible After LoginVisible After LoginVisible After Login
Dielectric Strength0.0 Visible After LoginVisible After LoginVisible After Login

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating, UL940.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell R0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption at Saturation0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
CTE, Linear0.0 Visible After LoginVisible After LoginVisible After Login
Deflection Temperature at 0.46 MPa (66 psi)0.0 Visible After LoginVisible After LoginVisible After Login
Deflection Temperature at 1.8 MPa (264 psi)0.0 Visible After LoginVisible After LoginVisible After Login
Melting Point0.0 Visible After LoginVisible After LoginVisible After Login

KOPA® KN331F Processing Guidelines

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
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