Product Description

Approximate composition of glass , % SiO2 PbO Al2O3 Sb2O3 CaO K2O Na2O *0.5±1.0 *1.0±0.5 1.0±0.5 1.0±0.2 3.5±0.3 5.5±0.5 *0.5±0.5 Specification Expansion: (*1+/- 2.0) x *0 - 7/℃ Anti-hydrochemistry stability: Ⅱ Annealing temperature: ******0℃ Density: 2.*6+/*0.**5 Volume resitively TK***0: >=**0℃ Softening point: **0℃ Features: 1 Made of Kalium and barium glass 2 Tube diameter : 2.***2.2mm(OD +/- 0.*5mm) 3 Wall thickness: 0.***1.*5mm(+/*0.*5mm) 4 Tube application: CFLs, energy saving lamp, fluorescent lamp, exhaust pipe etc.