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- Contact Person : Mr. Hu gengzheng
- Company Name : Hubei Yang Hua Glass Co., Ltd.
- Tel : 86-0717-15872525888
- Fax : 86-0717-2862389
- Address : Hubei,yichang,County town of Jian-Dong Mau Ping Road
- Country/Region : China
- Zip : 443600
borosilicate glass rod
Product Detailed
Related Categories:Building Glass
Detailed Product Description
borosilicate glass rod:
1>available size:dia14-50mm,length is free
2>color:clear
3>main composition:
SiO2:80±5%
B2O2:13±2%
Al2O3:2.4±0.2%
Na2O3(+K2O):4.3±0.2%
4>chemical properties:
a:coefficient of mean linear thermal expantion 20 C/300C
b:trasformation temperature:525±15C
c:working point:1260±20C
d:softening point:820±C
e:density at 20C:2.23g per square centimetre
