Standard of Glass Products – Reflective Glass

This standard adopts Japanese Industry Standard JIS R3221-90 “Reflective Glass” to the optical properties and physical properties, except rediate resistant, during constituting, and the appearance quality in this standard is more strict than in JIS R3221-90. It also adds chromatism standard according to the actual situation.

This standard is presented by National Architecture Material Industry Bureau Qinhuangdao Glass Research and Design Institue.

Drafting units are: National Architecture Material Industry Bureau Qinhuangdao Glass Research and Design Institue, National Architecture Material Industry Bureau Standardization Institute.

Draft company: Guangdong Hongjiang Glass Co., Ltd.

Draftmen: Zhuoqing Zhang, Qiying Liu, Jingyu Yin, Zhiyong Zhang.

•  Range

This standard prescribes the sort, requiremwnts, inspection method, inspection rules, marks, package, transporting and storage of reflective glass.

This standard is suitable for producing float glass for architecture and other usage.

•  Referenced Standard

The items included in the below standard becomes the items of this standard by referring in this standard. All the editions are valid when this standard publishes. All the standards will be revised. Every party using this standard should discuss the possbility of the latest edition when using the following standards.

GB/T 2680-94 Glass for architecture usage: visible light transmission, sunlight direct transmission, solar overall transmission, ultraviolet radiation transmission and the measurement about the parameters of glass.

GB/T 5137.1-1996 Mechanics test method for automobile safe glass

GB 11614-89 Float glass

GB/T 11942-89 Chroma measuring method of colored architecture material

•  Sorts of Products

•  According to its appearance quality and physical property, it is sorted as excellent and eligible.

•  According to thickness, it is sorted as 5mm , 6mm , 8mm , 10mm , 12mm .

•  Requirements.

4.1 Allowed tolerance of dimension (including deflecxion) should be in accordance with Table 1.