GB/T 7962.13-1987Colourless optical glass test methods. Coefficient of thermal conductivity (English PDF)
无色光学玻璃测试方法 导热系数测试方法
GB/T 7962.13 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 7962.13-2025 | Test methods of colourless optical glass - Part 13: Thermal conductivity | Valid |
| GB/T 7962.13-1987 | Colourless optical glass test methods. Coefficient of thermal conductivity | Obsolete |
GB/T 7962.13-1987 is obsolete. It has been replaced by GB/T 7962.13-2025. 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
June 20, 1987
Implementation date
December 1, 1987
Scope
GB/T 7962.13-1987 is the English-translated version of 无色光学玻璃测试方法 导热系数测试方法.
GB/T 7962.13-1987 is the Chinese national standard "Colourless optical glass test methods. Coefficient of thermal conductivity". It was issued on June 20, 1987 by the National Bureau of Standards, and took effect on December 1, 1987. It is obsolete: it has been replaced by GB/T 7962.13-2025.
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Document preview — GB/T 7962.13-1987
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: 1987-06-20.
Date of implementation: 1987-12-01.
Status: obsolete, replaced by GB/T 7962.13-2025.
......
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 7962.14-2010 — Test methods of colourless optical glass - Part 14: Resistance to acid
GB/T 7962.12-1987 — Colourless optical glass test methods--Spectral internal transmittance
GB/T 7962.14-1987 — Colourless optical glass test methods--Resistance to acid
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GB/T 7962.13-1987
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