Standard No.:	GB/T 5137.4-2001
English Name:	Road vehicles - Safety glazing materials - Method for the determination of solar transmittance
Chinese Name:	汽车安全玻璃太阳能透射比测定方法
Chinese Classification:	Q30    Ceramic and glass in general
Professional Classification:	GB    National Standard
ICS Classification:	81.040.30 81.040.30    Glass products 81.040.30
Source Content Issued by:	AQSIQ
Issued on:	2001-4-2
Implemented on:	2001-10-1
Status:	superseded
Superseded by:	GB/T 5137.4-2020 Test methods of safety glazing materials used on road vehicles—Part 4:Determination of solar characteristic
Superseded on:	2021-2-1
Target Language:	English
File Format:	PDF
Word Count:	5500 words
Translation Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This standard specifies test methods to determine the UV transmittance, direct and total solar transmittance of safety glazing materials for road vehicles and all kinds of safety glasses for and other road vehicles. This standard is applicable to the determination of solar transmittance of safety glazing materials for road vehicles and all kinds of safety glasses for and other road vehicles. 2 Normative References The following standard contain provisions which, through reference in this text, constitute provisions of this standard. At 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 most recent editions of the standard indicated below. 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 (neq ISO 9050:1990) 3 Definitions