{"product_id":"double-layer-polypropylene-filter-bag","title":"Double layer polypropylene filter bag","description":"\u003ch2 data-start=\"438\" data-end=\"462\"\u003eProduct description\u003c\/h2\u003e\n\u003ch3 data-start=\"464\" data-end=\"557\"\u003eDouble layer polypropylene filter bag for efficient and chemically resistant filtration\u003c\/h3\u003e\n\u003cp data-start=\"559\" data-end=\"951\"\u003eThe Double Layer Polypropylene Filter Bag is designed for liquid filtration applications where improved filtration efficiency, extended service life and excellent chemical resistance are required. By combining two polypropylene filtration layers, this filter bag provides depth filtration performance that exceeds standard single layer felt bags while maintaining stable flow characteristics.\u003c\/p\u003e\n\u003cp data-start=\"953\" data-end=\"1090\"\u003eThis filter bag is commonly used in industrial processes where chemical compatibility and consistent filtration performance are critical.\u003c\/p\u003e\n\u003chr data-start=\"1092\" data-end=\"1095\"\u003e\n\u003ch2 data-start=\"1097\" data-end=\"1122\"\u003eFiltration principle\u003c\/h2\u003e\n\u003cp data-start=\"1124\" data-end=\"1422\"\u003eThe Double Layer Polypropylene Filter Bag operates using depth filtration. The filter media consists of two polypropylene layers with different porosity levels. As liquid flows through the bag, larger particles are captured in the outer layer, while finer particles are retained in the inner layer.\u003c\/p\u003e\n\u003cp data-start=\"1424\" data-end=\"1465\"\u003eThis staged filtration approach provides:\u003c\/p\u003e\n\u003cul data-start=\"1466\" data-end=\"1625\"\u003e\n\u003cli data-start=\"1466\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1468\" data-end=\"1497\"\u003eimproved particle retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1558\"\u003e\n\u003cp data-start=\"1500\" data-end=\"1558\"\u003ehigher dirt holding capacity than single layer felt bags\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1559\" data-end=\"1588\"\u003e\n\u003cp data-start=\"1561\" data-end=\"1588\"\u003estable pressure behaviour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1589\" data-end=\"1625\"\u003e\n\u003cp data-start=\"1591\" data-end=\"1625\"\u003ereduced risk of surface clogging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1627\" data-end=\"1726\"\u003eDepth filtration distributes contaminants throughout the media thickness, extending operating life.\u003c\/p\u003e\n\u003chr data-start=\"1728\" data-end=\"1731\"\u003e\n\u003ch2 data-start=\"1733\" data-end=\"1763\"\u003eDouble layer media design\u003c\/h2\u003e\n\u003cp data-start=\"1765\" data-end=\"1953\"\u003eThe two layer polypropylene construction balances filtration efficiency, mechanical strength and chemical resistance. Each layer contributes to particle retention and structural stability.\u003c\/p\u003e\n\u003cp data-start=\"1955\" data-end=\"1979\"\u003eThe double layer design:\u003c\/p\u003e\n\u003cul data-start=\"1980\" data-end=\"2141\"\u003e\n\u003cli data-start=\"1980\" data-end=\"2020\"\u003e\n\u003cp data-start=\"1982\" data-end=\"2020\"\u003eincreases effective filtration depth\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2021\" data-end=\"2058\"\u003e\n\u003cp data-start=\"2023\" data-end=\"2058\"\u003eimproves contaminant distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2059\" data-end=\"2094\"\u003e\n\u003cp data-start=\"2061\" data-end=\"2094\"\u003eextends filter change intervals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2095\" data-end=\"2141\"\u003e\n\u003cp data-start=\"2097\" data-end=\"2141\"\u003esupports consistent filtration performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2143\" data-end=\"2217\"\u003eThis makes the filter bag suitable for moderate to high contaminant loads.\u003c\/p\u003e\n\u003chr data-start=\"2219\" data-end=\"2222\"\u003e\n\u003ch2 data-start=\"2224\" data-end=\"2252\"\u003eDesign and construction\u003c\/h2\u003e\n\u003cp data-start=\"2254\" data-end=\"2490\"\u003eDouble Layer Polypropylene Filter Bags are manufactured from 100 percent polypropylene fibers using thermally bonded or welded construction methods. The material contains no bonding adhesives, resins, silicones or surface active agents.\u003c\/p\u003e\n\u003cp data-start=\"2492\" data-end=\"2524\"\u003eTypical design features include:\u003c\/p\u003e\n\u003cul data-start=\"2525\" data-end=\"2778\"\u003e\n\u003cli data-start=\"2525\" data-end=\"2578\"\u003e\n\u003cp data-start=\"2527\" data-end=\"2578\"\u003edouble layer polypropylene depth filtration media\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2579\" data-end=\"2627\"\u003e\n\u003cp data-start=\"2581\" data-end=\"2627\"\u003erobust construction for industrial operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2628\" data-end=\"2671\"\u003e\n\u003cp data-start=\"2630\" data-end=\"2671\"\u003estable shape retention during operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2672\" data-end=\"2715\"\u003e\n\u003cp data-start=\"2674\" data-end=\"2715\"\u003esealing ring options to minimise bypass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2716\" data-end=\"2778\"\u003e\n\u003cp data-start=\"2718\" data-end=\"2778\"\u003ecompatibility with standard industrial bag filter housings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2780\" data-end=\"2783\"\u003e\n\u003ch2 data-start=\"2785\" data-end=\"2817\"\u003ePerformance characteristics\u003c\/h2\u003e\n\u003cp data-start=\"2819\" data-end=\"2863\"\u003eTypical performance characteristics include:\u003c\/p\u003e\n\u003cul data-start=\"2864\" data-end=\"3102\"\u003e\n\u003cli data-start=\"2864\" data-end=\"2932\"\u003e\n\u003cp data-start=\"2866\" data-end=\"2932\"\u003efiltration grades suitable for coarse to fine particle retention\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2933\" data-end=\"3000\"\u003e\n\u003cp data-start=\"2935\" data-end=\"3000\"\u003ehigher dirt holding capacity compared to single layer felt bags\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3001\" data-end=\"3041\"\u003e\n\u003cp data-start=\"3003\" data-end=\"3041\"\u003epredictable and stable pressure drop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3042\" data-end=\"3102\"\u003e\n\u003cp data-start=\"3044\" data-end=\"3102\"\u003econsistent filtration efficiency throughout service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3104\" data-end=\"3181\"\u003eThese characteristics support both continuous and batch filtration processes.\u003c\/p\u003e\n\u003chr data-start=\"3183\" data-end=\"3186\"\u003e\n\u003ch2 data-start=\"3188\" data-end=\"3215\"\u003eMaterial compatibility\u003c\/h2\u003e\n\u003cp data-start=\"3217\" data-end=\"3472\"\u003ePolypropylene provides excellent chemical resistance and is compatible with a wide range of industrial liquids, including water based solutions, oils and many chemicals. This makes polypropylene filter bags suitable for chemically aggressive environments.\u003c\/p\u003e\n\u003cp data-start=\"3474\" data-end=\"3556\"\u003eMaterial compatibility should always be confirmed for specific process conditions.\u003c\/p\u003e\n\u003chr data-start=\"3558\" data-end=\"3561\"\u003e\n\u003ch2 data-start=\"3563\" data-end=\"3588\"\u003eTypical applications\u003c\/h2\u003e\n\u003cp data-start=\"3590\" data-end=\"3650\"\u003eDouble Layer Polypropylene Filter Bags are commonly used in:\u003c\/p\u003e\n\u003cul data-start=\"3651\" data-end=\"3916\"\u003e\n\u003cli data-start=\"3651\" data-end=\"3674\"\u003e\n\u003cp data-start=\"3653\" data-end=\"3674\"\u003echemical processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3675\" data-end=\"3713\"\u003e\n\u003cp data-start=\"3677\" data-end=\"3713\"\u003ewater treatment and pre filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3714\" data-end=\"3746\"\u003e\n\u003cp data-start=\"3716\" data-end=\"3746\"\u003efood and beverage production\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3747\" data-end=\"3792\"\u003e\n\u003cp data-start=\"3749\" data-end=\"3792\"\u003epharmaceutical and life science processes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3793\" data-end=\"3836\"\u003e\n\u003cp data-start=\"3795\" data-end=\"3836\"\u003esurface treatment and coating processes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3837\" data-end=\"3875\"\u003e\n\u003cp data-start=\"3839\" data-end=\"3875\"\u003eindustrial oils and process fluids\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3876\" data-end=\"3916\"\u003e\n\u003cp data-start=\"3878\" data-end=\"3916\"\u003egeneral industrial liquid filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3918\" data-end=\"3921\"\u003e\n\u003ch2 data-start=\"3923\" data-end=\"3940\"\u003eKey benefits\u003c\/h2\u003e\n\u003cul data-start=\"3942\" data-end=\"4182\"\u003e\n\u003cli data-start=\"3942\" data-end=\"3999\"\u003e\n\u003cp data-start=\"3944\" data-end=\"3999\"\u003eDouble layer depth filtration for improved efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4000\" data-end=\"4056\"\u003e\n\u003cp data-start=\"4002\" data-end=\"4056\"\u003eHigher dirt holding capacity than standard felt bags\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4057\" data-end=\"4090\"\u003e\n\u003cp data-start=\"4059\" data-end=\"4090\"\u003eExcellent chemical resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4091\" data-end=\"4120\"\u003e\n\u003cp data-start=\"4093\" data-end=\"4120\"\u003eStable pressure behaviour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4121\" data-end=\"4144\"\u003e\n\u003cp data-start=\"4123\" data-end=\"4144\"\u003eLonger service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4145\" data-end=\"4182\"\u003e\n\u003cp data-start=\"4147\" data-end=\"4182\"\u003eEasy installation and replacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4184\" data-end=\"4187\"\u003e\n\u003ch2 data-start=\"4189\" data-end=\"4221\"\u003eConfiguration and quotation\u003c\/h2\u003e\n\u003cp data-start=\"4223\" data-end=\"4339\"\u003eDouble Layer Polypropylene Filter Bags are supplied based on application requirements. Selection parameters include:\u003c\/p\u003e\n\u003cul data-start=\"4340\" data-end=\"4433\"\u003e\n\u003cli data-start=\"4340\" data-end=\"4360\"\u003e\n\u003cp data-start=\"4342\" data-end=\"4360\"\u003efiltration grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4361\" data-end=\"4373\"\u003e\n\u003cp data-start=\"4363\" data-end=\"4373\"\u003ebag size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4374\" data-end=\"4408\"\u003e\n\u003cp data-start=\"4376\" data-end=\"4408\"\u003eprocess liquid characteristics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4409\" data-end=\"4433\"\u003e\n\u003cp data-start=\"4411\" data-end=\"4433\"\u003eoperating conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4435\" data-end=\"4544\"\u003eFiltra International can support correct filter bag selection to ensure optimal performance and service life.\u003c\/p\u003e\n\n\n  \u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is a double layer polypropylene filter bag?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A double layer polypropylene filter bag is a depth filtration bag constructed from two polypropylene layers with different porosity levels to improve filtration efficiency and service life.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does a double layer polypropylene filter bag differ from polyester versions?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polypropylene offers higher chemical resistance, making it more suitable for aggressive liquids, while polyester offers higher temperature resistance in some applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are double layer polypropylene filter bags suitable for chemically aggressive liquids?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Polypropylene provides excellent chemical compatibility with many industrial liquids.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Which applications commonly use double layer polypropylene filter bags?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"They are widely used in chemical processing, water treatment, food and beverage production and general industrial liquid filtration.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are double layer polypropylene filter bags compatible with standard bag filter housings?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Double layer polypropylene filter bags are designed to fit standard industrial bag filter housings.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n","brand":"Filtra International","offers":[{"title":"1 Micron","offer_id":55823495627078,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true},{"title":"3 Micron","offer_id":55823495659846,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true},{"title":"5 Micron","offer_id":55823495692614,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true},{"title":"10 Micron","offer_id":55823495725382,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true},{"title":"25 Micron","offer_id":55823495758150,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true},{"title":"50 Micron","offer_id":55823495790918,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/2985\/6326\/files\/Doublelayerpolypropylenefilterbag.png?v=1766077767","url":"https:\/\/filtrainternational.com\/products\/double-layer-polypropylene-filter-bag","provider":"Filtra International","version":"1.0","type":"link"}