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    PPS (polyphenylene sulfide) superfine + PTFE (polytetrafluoroethylene) composite needle felt filter bag

    PPS (polyphenylene sulfide) superfine + PTFE (polytetrafluoroethylene) composite needle felt filter bag

     PPS (polyphenylene sulfide) superfine + PTFE (polytetrafluoroethylene) composite needle felt filter bag

    Our company uses high-quality PPS (polyphenylene sulfide) fiber + PTFE (polytetrafluoroethylene) fiber + PTFE (polytetrafluoroethylene) base cloth produced by Japan Toray company as raw materials, and uses our mature needling process and German dilo double needling equipment. In order to ensure that the filtration accuracy required by working conditions is perfectly met, 1.0T ultra-fine PPS (polyphenylene sulfide) staple fiber and PTFE (polytetrafluoroethylene) fiber are selected for blending on the dust facing surface, Combined with the effective post-treatment of impregnation and membrane infiltration process, most fiber surfaces are protected by nano coating, which not only greatly reduces the possibility of oxidation and corrosion of PPS (polyphenylene sulfide), but also realizes a qualitative breakthrough in filtration accuracy, which is easy to meet the emission requirements of working conditions. Low pressure difference, high filtration accuracy and oxidation resistance are the remarkable characteristics of the product.
    The main features of PPS (polyphenylene sulfide) / PTFE (polytetrafluoroethylene) composite filter bag are as follows:
    (1) High filtering precision
    PPS (polyphenylene sulfide) composite needle felt filter bag adopts ultra-fine PPS (polyphenylene sulfide) + PTFE (polytetrafluoroethylene) fiber blend as the ****** filter layer. Through impregnation and membrane infiltration process, the filter material has small pore size and high porosity, which improves the filtration accuracy of the filter material. The primary dust layer is relatively thin, easier to remove dust and high dust stripping rate. The filtration accuracy is significantly higher than that of ordinary filter materials. It has very high capture efficiency for fine dust such as PM2.5, and it is easy to meet the dust emission requirements.
    (2) Good dimensional stability
    PPS (polyphenylene sulfide) composite needle felt filter bag base cloth is made of high-strength PTFE (polytetrafluoroethylene) long fiber. After pretreatment process and heat setting processing, the physical and chemical indexes are significantly improved; After PTFE (polytetrafluoroethylene) impregnation and high-temperature setting treatment, the filter material will not shrink at high temperature, almost maintain the original size, will not affect the gap between the filter bag and the bag cage, and ensure the ash removal effect.
    (3) Good temperature resistance
    Superfine PPS (polyphenylene sulfide) fiber + PTFE (polytetrafluoroethylene) fiber is selected to make the surface layer, which significantly improves the ability of the filter material to resist high temperature; At the same time, the temperature resistance of high-performance PTFE (polytetrafluoroethylene) based cloth can reach 260 ℃, which can fully ensure that the strength of the filter material will not lose at high temperature. Under normal working conditions, the service temperature can be controlled between dew point temperature + 20 ℃ - 200 ℃.
    (4) Good filtering and ash removal performance and stable operation of the system
    The filter material passes through high-temperature permeable membrane, with smooth surface, easy ash removal and high dust stripping rate. A small number of dust entering the filter material. Due to the narrow front and wide rear channels formed by the filter material, the dust can pass through the filter material to reduce the accumulation, which will not lead to the blockage of the filter material, keep the filter material running for a long time, and slow down the rise and change speed of the inherent resistance of the filter material;
    (5) Good erosion resistance
    Ultra fine PPS (polyphenylene sulfide) fiber and PTFE (polytetrafluoroethylene) fiber have good corrosion resistance. In addition, after the overall corrosion resistance treatment and PTFE (polytetrafluoroethylene) impregnation treatment of the filter material, PTFE (polytetrafluoroethylene) will form a dense protective film on the fiber surface, which improves the anti-oxidation and anti-corrosion performance of the filter material. Therefore, the filter bag will suffer little erosion during operation.
    (6) Water and oil repellent, anti condensation
    PPS (polyphenylene sulfide) composite needle felt filter bag is treated with waterproof and oil proof treatment and PTFE (polytetrafluoroethylene) impregnation treatment to enhance the hydrophobicity of the filter material, and then processed by high-temperature membrane infiltration process. Therefore, the filter material has good water and oil repellency and anti condensation function.
    (7) Sewing technology, fine processing
    The sewing of filter bag shall comply with relevant provisions of industrial standards HJ / t326-2006 and GB / T 12625. Cutting with CNC slitting machine, with stable size and no deviation; Bag barrel sewing is controlled by continuous production line, and the product quality is better and more stable; The bag mouth expansion ring adopts stainless steel expansion ring. The upper and lower pieces of the bag body stitch are flat, the interface parts of the bag mouth and bag bottom are folded evenly, and there will be no gap when the filter bag is installed on the flower board. The bag body adopts high-strength PTFE (polytetrafluoroethylene) thread sewing system to prevent thread opening caused by corrosion; Guide and manage each production process in strict accordance with the standards of ISO9001:2008 quality management system, and establish the concept of ***** quality management. More than 50 processes are required from raw material inspection, cleaning to finished product warehousing. Each process is equipped with key quality control points to strengthen quality control in the production process. A four-level inspection system of "employee self inspection, workshop inspection, quality control patrol and random inspection from time to time" has been established.
    The quality concept of "no sequence transfer, no warehousing and no delivery" shall be firmly adhered to for nonconforming products; Take "zero shortage, zero complaint and zero return" as the goal.

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    copyright:Zhejiang Hongsheng New Material Technology Group Co., Ltd.    浙ICP備18017067號-1號浙公網安備 33080202000392號

    Technical support:龍采科技(營口)有限公司---百度營口地區營銷服務中心(營口百度推廣、營口網站建設) Snapshot optimization:納森網絡