GMW22

Description / Abstract: GMW22, 7th Edition, October 2020 - Polyoxymethylene Copolymer, Heat Stabilized

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

This specification describes the properties of heat stabilized, unfilled polyoxymethylene (acetal) copolymer that is used in injected form for molded components.

Symbols.

The material abbreviation according to ISO 11469 is POM.

Applicability.

Clips, clamps, and sliders that are not located within the refreshable air space of the vehicle interior.

Remarks.

The classification into groups is according to the different ranges of viscosity. The following types apply to this specification:

• C1: Low Melt Flow

• C2: Medium Low Melt Flow

• C3: Medium High Melt Flow

• C4: High Melt Flow

• C5: Very High Melt Flow

• C2P1: Medium Low Melt Flow, Polymer Modified for Improved Impact

• C2P2: Medium Low Melt Flow, Highly Polymer Modified for Improved Impact

• C4P1: High Melt Flow, Polymer Modified for Improved Impact

• C4P2: High Melt Flow, Highly Polymer Modified for Improved Impact