... and catalysts, and can also be widely applied to rubber products, soles, rubber-plastic product accessories, pipe fittings, rubber plates, ... tires, belts, paint, medicine and other chemical products.Packing: Polypropylene woven bags or kraft paper bags with a plastic film liner, 25 kg ... ProductQualified ProductMain content (based on Zn,based on dry products)≥57.55756.5Ignition loss25.0~28.025.0~30.025 ...