High Silica Cloth
Weicheng high silica cloth is a heat-resistant, soft special glass fiber fabric, the SiO2 content of 96% or more. The product has exnt heat resistance and can be used for a long time at 1000 ° C.
The instantaneous heat resistance can reach 1400 ° C. Using Na2O-B2O3-SiO2 ternary system glass raw materials, the acid treatment of its softening point temperature is about 1700 degrees.
 The product has exnt chemical stability and good dielectric properties, with plain weave or satin. The surface treatment can be according to the customer's requirement.
Specifications :
|  Model | Thickness (mm) | Width (cm) | Weight (g/㎡) | Breaking Strength (N/25x100mm) |  Weave | |
| Warp | Weft | |||||
| WCHS-240 | 0.26±0.03 | 82±2 | 240±20 | ≥250 | ≥180 | Plain |
| WCHS-400 | 0.40±0.04 | 92±1 | 400±30 | ≥450 | ≥400 | Satin 5HS |
| WCHS-520 | 0.55±0.05 | 92±1 | 520±30 | ≥530 | ≥430 | Satin 8HS |
| WCHS-600 | 0.70±0.05 | 92/100±1 | 600±30 | ≥580 | ≥480 | Satin 8HS |
| WCHS-680 | 0.76±0.08 | 84-86 | 680±70 | ≥900 | ≥650 | Satin 8HS |
| WCHS-880 | 1.00±0.05 | 92±1 | 880±40 | ≥976 | ≥700 | Satin 8HS |
| WCHS-1100 | 1.26±0.10 | 92/100±1 | 1120±50 | ≥1200 | ≥800 | Satin 12HS |
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Weicheng silica fabrics are a flexible fabric especially developed to replace asbestos fabric in welding and stress relieving applications where protection against heat or molten metal is necessary.
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Applications:
--Heavy duty welding protection
--Flexible expansion joints
--Removable insulation covers, mattress and pads
--Fire control systems
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