Glass fiber blanket and producing method thereof
A glass fiber cotton and glass fiber technology, which is applied in glass manufacturing equipment, non-woven fabrics, textiles and paper making, etc., can solve the problems of high density, uneven surface density and poor softness of glass fiber cotton mats, and reach the fire resistance limit. The effect of large, good thermal insulation performance and high water repellency rate
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[0068] According to an embodiment of the present invention, the following components in parts by mass are mixed to form a mixture: quartz powder: 38.46 parts, feldspar: 11.92 parts, borax: 9.2 parts, calcite: 3.19 parts, dolomite: 6.57 parts , soda ash: 13.0 parts, flat glass: 17.01 parts;
[0069] The mixed material is added to the melting pool of the kiln for melting treatment to obtain molten glass. The melting treatment of the mixed material includes five stages: silicate formation stage, glass liquid formation stage, glass liquid clarification stage, and glass liquid homogenization stage. The temperature of the mixture in the silicate formation stage is controlled to be 900°C, the temperature of the glass formation stage is controlled to 1250°C, the temperature of the glass clarification stage is controlled to be 1450°C, and the viscosity of the glass is 10pa.s, the temperature in the homogenization stage of the glass liquid is controlled to be 1430℃, the temperature of t...
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