Features: 1) 100, 000MT borosilicate glass 3. 3 tubes and rods annually 2) Applications: A) Used for instrumentation, B) Used for chemical pipeline, C) Used for handicraft articles. 3) Specifications: A) Low expansion. B) High degree of strength and hardness. C) Long durability. D) Heat-resistant and scratch proof. I) Coefficient of mean linear expansion: 3. 3 (10-6K-1) Ii) Transformation temperature: 52 510oC Iii) Working point: 1, 260 20oC Iv) Softening point: 820 20oC V) Refractive index: 0. 92 Specifications: 1) Glass tubing: 5-330 x 1, 500mm 2) Glass rods: 5-60 x 1, 200mm 3) Special size can be produced according to requirement