Place of Origin: China Brand Name: TY- TY Model Number: TY0017
Packaging & Delivery
Packaging Detail : packing: cartons
Delivery Detail 20 days
Borosilicate glass tubes and rods with various colors
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. 0 mm , 32 x 3. 2 mm , 32 x 4. 0 mm , 38 x 3. 2 mm , 38 x 4. 0 mm , 44 x 4. 0 mm , 51 x 4. 0 mm , 51 x 4. 8 mm 3) Customized sizes are available (outside diameter: 3. 5 - 300 mm ) 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/ cm? 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
