文档介绍：GB/T -2001
FOREWORD
The standard refers to Method for the Determination of Solar Transmittance of Road Vehicles Safety Glazing Materials; its technical content is the same as those of ISO/DIS 13837, except some changes of literal expression pilation format.
Annex A, annex B, annex C, annex D, and annex E of this standard are normative.
Annex F is informative.
This standard is proposed by the State Bureau of Building Materials Industry.
This standard is put under the centralized management of the mittee on Safety Glazing of the National Automobile Standardization mittee.
The drafting unit of this standard: Institute of Glass and Special Glass Fiber under China Building Materials Academy.
The main draftsmen of this standard: Wang Rui, Dai Lei, Mo Jiao, Yang Jianjun, Zhang Dashun.
National Standard of PRC
Road Vehicles—Safety Glazing Materials-
Method for the Determination of Solar Transmittance
GB/T -2001
1 Scope
This Standard defines the methods for the determination of solar ultraviolet transmittance, solar direct transmittance, and solar total transmittance of the safety glazing materials of vehicles and other road automotive vehicles.
The standard is applicable to the determination of solar transmittance of the safety glazing materials of vehicles and other road automotive vehicles.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the standards indicated below.
GB/T 2680—1994 Determination of visible light transmittance, solar direct transmittance, solar total transmittance, and ultraviolet transmittance of building glazing as well as parameters of relevant window glazing (neq ISO 9050:1990)
3 Definitions
The