this type of scraper: Modified high density polyethylene, high molecular weight polyethylene, nylon scrape Capability Materials: Modified high density polyethylene, high molecular weight polyethylene, nylon Character: high wear resistance, high toughness, low noise Semicircular scraper(BR)specificationTypeLL1δHhRE1FDdNoteBR205*14239060151425620510232189ScraperConnectionPitch, poreDiameter, ...