Polypropylene Filter Bag with Stainless Steel Ring, Industrial Specification Size 1 Multi function filter bag for solid liquid separation and treatment across industries including petrochemical, food and beverage, metallurgy, electronics, pharmaceutical and other industries. Also suitable for solvent purification, resin treatment and wastewater treatment in the paint industry. Chemical compatibility and performance Polypropylene bag filter offers better chemical compatibility than polyester and is more tolerant to acids and bases. Special surface treatment maintains flow rate while controlling fiber shedding. Material and construction Felt filter sock materials made from polypropylene. Food grade materials, nontoxic and tasteless. Includes stainless steel ring for secure installation and durable performance. Specifications and applicability Industrial specification size 1 Material: polypropylene felt filter sock Suitable for solidliquid separation and filtration in diverse processes Use scenarios Petrochemical industry: solidliquid separation and process filtration to maintain product quality and protect downstream equipment. Food and beverage processing: filtration and clarification where food grade polypropylene and clean flow are important. Paint and coating industry: solvent purification, resin treatment and wastewater treatment to support regulatory compliance and process efficiency.