GB 2680-1981Sheet glass-Determination of transmittancy of visible rays (English PDF)
平板玻璃可见光总透过率测定方法
GB 2680 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 2680-2021 | Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors | Valid |
| GB/T 2680-1994 | Determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors | Obsolete |
| GB 2680-1981 | Sheet glass-Determination of transmittancy of visible rays | Obsolete |
GB 2680-1981 is obsolete. It has been replaced by GB/T 2680-1994. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Mandatory
Scope
GB 2680-1981 is the English-translated version of 平板玻璃可见光总透过率测定方法.
GB 2680-1981 is the Chinese national standard "Sheet glass-Determination of transmittancy of visible rays". It is obsolete: it has been replaced by GB/T 2680-1994.
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Document preview — GB 2680-1981
Contents
- Document data
1 Document data
Sector: National standard (Mandatory).
Status: obsolete, replaced by GB/T 2680-1994.
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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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GB 2680-1981
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