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中文 (中国)Quality glass fiber membrane filter media currently available on the domestic market is now mixed, of which 90% is adhesive coated fiberglass dust filter (PTFE microporous film with an adhesive to bond the glass fiber fabric), it poor function, it can be said is pure fake, has been causing serious damage to many users, because the users knowledge of glass fiber membrane filter media is poorly understood, it does not recognize the truth of fiberglass membrane filter media. Coated fiberglass dust bag filter media is an efficient, low resistance, high filtration precision, long life and new media, and its function is to winning the general media can not match, at present in the steel, cement, iron alloy, carbon black other professional has been widely used, with excellent results. Glass fiber membrane filter media is high temperature dust bag, that temperature is the most basic function of glass fiber membrane filter media, but the adhesive coated glass fiber filter media at a temperature of more than 80 ℃, the viscosity melt adhesives have been used in combination, will show a film at the moment off, the resistance increases and a series of serious consequences, hot glass membrane filter media (with high temperature hot skills to PTFE microporous membrane laminated in glass fiber base the cloth, the production process does not use any adhesive) can be at 260 ℃ or less continuous operation environment, its functionality will not change. Because fiberglass dust bag coating applied particularity place so coated fiberglass dust filter to identify quality is very important, the following Xiaobian summarize how to identify glass coated filter without special equipment case material quality problems. First, the sample provided by the manufacturer to identify intuitive way: 1, feel. Produced by hot pressing skill fiberglass membrane filter media feel very smooth, and the adhesive coated glass fiber filter media appearance obviously moist feel, although the degree of slickness of the production plant products vary, but whatever how to handle these two materials are significantly different. 2, adhesive fiberglass membrane filter media used in adhesives generally use 90% of the organic solvent-based adhesives, so that if the glass fiber membrane filter media into an organic solvent to soak a little, it is possible to lose the adhesive effect , then the film will be able to very simply peeled off from the glass fiber fabric, commonly used organic solvents are: benzene, ketones, lipids and other organic solvents. 3, the use of adhesive fiberglass membrane filter media can not be high temperature characteristics, it can be heated to about 100 ℃, then you will be able to PTFE microporous film effortlessly peeled off from the glass fiber fabric, and hot glass membrane filter media at temperatures up to 300 ℃, the film can not be peeled off.
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