T/WHQASA 1-2021 Active Group standards

T/WHQASA 1-2021 The method for high-low temperature matching size test of automotive composite materials outer covers

Publish Date: 2021-09-16 Implement Date: 2021-10-16 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/WHQASA 1-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Fiber-reinforced composites

ICS Name: Comprehensive Road Vehicles

Publish Date: 2021-09-16

Implement Date: 2021-10-16

Scope

Scope: This document specifies the terms and definitions, test vehicles, testing equipment and instruments, testing methods, and the content of the test report for the high-low temperature matching size test of automotive composite exterior panels; Main technical content: 1. Terms and definitions including composite materials, exterior panels, high-temperature testing, low-temperature testing, high-low temperature humidity alternation, and matching, etc. 2. Test vehicles including technical document acceptance and confirmation, sample preparation, and condition inspection, etc. 3. Testing equipment and instruments including high-low temperature environmental testing chambers, feeler gauges, gap gauges, digital surface roughness testers, etc. 4. Testing methods including general requirements, low-temperature testing, high-temperature testing, high-low temperature humidity alternation testing, and result determination, with a focus on the testing steps and conditions for low-temperature, high-temperature, and high-low temperature alternation testing. 5. Test report