Model: | - |
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Brand: | Zhongtian Junda |
Origin: | Made In China |
Category: | Construction & Decoration / Shaped Building Material |
Label: | Quartz Fiber Cloth , Quartz Fiber Roving , Quartz Fiber Wool |
Price: |
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Min. Order: | - |
Live Chat: | Last Online:02 Apr, 2014 |
Quartz Fiber
Teachnical specialfections:
Fiber fineness: 3 ~ 25 μ m
Purity:more than 99.95 percent content of SiO2
Performance:
Melting point: 1710 ℃
Crystallization temperature: 700℃ above
Thermotolerant performance : 1200 ℃ half hour starts not to change form crisply.
Thermal coefficient: (mat-like) in the following 200 ℃ <0.03 kcal / m at the degree
In 1000 ℃ at 0.2 kcal / m at the degree
Tensile capacity: 15.4 N
Tensile strength: normal temperature > 150Kg/mm2 500 ℃ at the strength reduced by 20%
Elastic modulus: 96 × 104Kg/mm2
Dielectric constant: ε = 4.5
Volume Resistance: (for cable)
At room temperature> 1 × 1017 Ω cm
500 ℃ at > 1 × 1010 Ω cm
1000 ℃ at > 1 × 108 Ω cm
Water tolerance: in the water boiled for three hours without loss
Acid resistance: 1 NH2SO4 boiled in three hours without loss
Alkaline resistance: 0.5 NNaOH boiled three hours loss of 0.62 percent
Applying: