silica glass fiber yarn quartz products

Description

Fiber fineness: 3 ~ *5 Î&frac*4; m Purity:more than *9.9 percent content of SiO2 Performance: Melting point: ***0 ℃ Crystallization temperature: **0℃ above Thermotolerant performance : ***0 ℃ half hour starts not to change form crisply. Thermal coefficient: (mat-like) in the following **0 ℃ <0.*3 kcal / m at the degree In ***0 ℃ at 0.2 kcal / m at the degree Tensile capacity: *5.4 N Tensile strength: normal temperature > **0Kg/mm2 **0 ℃ at the strength reduced by *0% Elastic modulus: *6 × **4Kg/mm2 Dielectric constant: ε = 4.5 Volume Resistance: (for cable) At room temperature> 1 × ***7 Ω cm **0 ℃ at > 1 × ***0 Ω cm ***0 ℃ at > 1 × **8 Ω cm Water tolerance: in the water boiled for three hours without loss 1、 For high-temperature insulation: such as rockets, missiles for insulation, earthquake or other high-temperature insulating materials engineering. 2、 Used for reinforced plastic: high-temperature production of synthetic resin and high-strength glass fiber reinforced plastic materials. Widely used in aviation, missiles and rockets, and so on. 3、 Special cable: use for the foreskin of the cable, used in high temperature on the special-purpose cable. 4、 Acid-base for high-temperature filters For vacuum tube filled with material: water Rafah as a quartz tube filled with silk material, in order to improve the performance of the tube, and extend the life of vacuum tube