Cost-Effective Polypropylene Film PP Film Roll
2025-10-15 14:36Polypropylene (PP) membranes are hydrophobic organic microporous filters made from ultra-fine polypropylene fibers using a thermal bonding process. Made from food-grade isotactic polypropylene without any additives, these membranes offer excellent chemical and thermal stability along with broad chemical compatibility. PP membranes are suitable for filtering aqueous solutions, alcohol solutions, and gases. Their high porosity and contaminant-holding capacity make them widely used in HPLC, gas separation, photoresist production, and other industrial filtration applications.
PP membranes form a three-dimensional porous structure through thermal bonding of ultra-fine polypropylene fibers under high temperature. This structure efficiently retains suspended solids, particles, and impurities. Their hydrophobic nature makes them ideal for gas filtration while maintaining good chemical compatibility for liquid filtration. Being halogen-free, PP membranes avoid additional processing issues and provide a safer and more environmentally friendly filtration solution.
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