Quartz glass fiber, does not like other glass fibers, It is much much more hard in producing, It has much mcuh higher prices. Quartz glass fiber, with its high content of SiO2, it has many good properties and has a variety usage. Let ”DD Fiberglass” check it out.

Continuous Quartz Glass Fiber Teachnical Specialfections:

1. Quartz glass fiber filament diameter: 3 ~ 25 μ m;
2. SiO2 Purity: ≥99.9%.

Quartz glass fiber properties:

1. Melting point: 1710 ℃;
2. Crystallization temperature: ≥700℃;
3. Thermotolerant  performance: 1200 ℃ & half an hour, no deformation;
4. Thermal coefficient (mat-like form): 
   • under 200 ℃: <0.03 kcal/(m·hour·℃)  
   • above 1000 ℃: 0.2 kcal/(m·hour·℃);
5. Tensile capacity: 15.4 N;
6. Tensile strength:
   • normal temperature > 150Kg/mm2
   • up to 500 ℃, the strength will reduce 20%;
7. Elastic modulus: 96×104Kg/mm2;
8. Dielectric constant: ε = 4.5;
9. Volume Resistance (for cable usage):
   • room temperature: >1×1017Ω·cm
   • 500 ℃: >1×1010Ω·cm
   • 1000 ℃: >1×108Ω·cm
10. Water tolerance: no content loss in boiled water for three hours;
11. Acid resistance: 1 NH2SO4 boiled in three hours without loss;
12. Alkaline resistance: 0.5 NNaOH boiled three hours loss of 0.62 percent;

Continuous Quartz Glass Fiber Appliance:

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;
5. 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.

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