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GMW17443

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GMW17443 1st Edition, May 1, 2016 Method for Determining Hardness of Radial; Lip Seal Materials

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Description / Abstract: Introduction

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.

Note: The words must, shall, or will, as used in this document mean a mandatory requirement.

Purpose. This standard provides a method of measuring accurately, by microhardness instrumentation, the hardness of seal materials which are small, thin, or irregular in shape.

Applicability. Radial lip rotating shaft seals with spring or springless designs. This test procedure is applicable to specimens of thickness described in 3.3.1 and elastomers of 30 International Rubber Hardness Degree (IRHD) to 95 IRHD.

Seal Condition for Measurement. This test procedure is used for new and used seals. See 3.3.2 and 3.3.3.