GB/T 39693.4-2025

Active

Rubber, vulcanized or thermoplastic—Determination of hardness—Part 4: Indentation hardness by durometer method (Shore hardness)

硫化橡胶或热塑性橡胶 硬度的测定 第4部分:用邵氏硬度计法(邵尔硬度)测定压入硬度

Standard Type
GBT
ICS
83.060
CCS
G40
Status
Active
Issue Date
2025-08-29
Implementation
2026-03-01
Centralized Committee
中国石油和化学工业联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the method for determining the indentation hardness of vulcanized or thermoplastic rubber using a durometer (Shore hardness tester). It is applied in quality control and material testing within the rubber and plastics industry, particularly for evaluating the hardness of finished rubber products such as seals, tires, and hoses. The standard ensures consistent measurement of Shore A or Shore D hardness for production verification and compliance with material specifications.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.