GB/T 1634-1979Test method of heat deflection temperature under bending load for plastics (English PDF)
塑料弯曲负载热变形温度 （简称热变形温度） 试验方法
GB/T 1634 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 1634-1979 | Test method of heat deflection temperature under bending load for plastics | Obsolete |
GB/T 1634-1979 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
September 15, 1979
Implementation date
January 1, 1980
Scope
GB/T 1634-1979 is the English-translated version of 塑料弯曲负载热变形温度 （简称热变形温度） 试验方法.
GB/T 1634-1979 is the Chinese national standard "Test method of heat deflection temperature under bending load for plastics". It was issued on September 15, 1979 by the National Bureau of Standards, and took effect on January 1, 1980. It is obsolete: it has been withdrawn.
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Document preview — GB/T 1634-1979
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1979-09-15.
Date of implementation: 1980-01-01.
Status: obsolete, withdrawn.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB/T 1634.1-2025 — Plastics - Determination of temperature of deflection under load - Part 1: General test method
GB/T 1634.1-2019 — Plastics - Determination of temperature of deflection under load - Part 1: General test method
GB/T 1634.1-2004 — Plastics - Determination of temperature of deflection under load - Part 1: General test method
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GB/T 1634-1979
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