Address:No. 2, Yongdong Road, Side of Jiulong Park, Yongkang City, Zhejiang Province. China Zip:321300
Detailed Product Description Features: 1) Available colors: dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black 2) Regularly stocked rod diameter: 3-45mm 3) Regularly stocked rod length: 1,200mm 4) Customized sizes are available (outside diameter: 3.5-46mm) 5) Main composition: a) SiO2: 80 ±0.5% b) B2O3: 13 ±0.2% c) Al2O3: 2.4 ±0.2% d) Na2O (+K2O): 4.3 ±0.2% 6) Chemical properties: a) Coefficient of mean linear thermal expansion (20/300 oc 3.3±0.1 (10-6K-1) b) Transformation temperature: 525±15oc c) Working point: 1,260 ±20oc d) Softening point: 820 ±10oc e) Density at 20oc: 2.23g/m² f) Hydrolytic resistance at 98oc: ISO719-HGB1 g) Hydrolytic resistance at 121oc: ISO720-HGA1 h) Acid resistance class: ISO1776-1 i) Alkali resistance class: ISO695-A2
