Detailed Product Description

Features:1) Available colors: dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black 2) Regularly stocked tubing size (diameter x wall thickness): 25 x 4.0mm, 32 x 3.2mm, 32 x 4.0mm, 38 x 3.2mm, 38 x 4.0mm, 44 x 4.0mm, 51 x 4.0mm, 51 x 4.8mm3) Customized sizes are available (outside diameter: 3.5 - 300mm)4) 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%5) Chemical properties: a) Coefficient of mean linear thermal expansion (20/300°C): 3.3±0.1

(10-6K-1) b) Transformation temperature: 525±15°C c) Working point: 1,260±20°C d) Softening point: 820±10°C e) Density at 20°C: 2.23g/cm² f) Hydrolytic resistance at 98°C: ISO719-HGB1 g) Hydrolytic resistance at 121°C: ISO720-HGA1 h) Acid resistance class: ISO1776-1 i) Alkali resistance class: ISO695-A2