... , 1,3,5-Trioxane,polymer with 1, 3-dioxolane, Copolyformaldehyde Resin, Copolyformaldehyde , Acetal copolymer, polyxymethylene, POM(Polyacetal) CAS NO.:24969-26 ... ) CopolymerGeneral Material Status Standard-flow grade, with minimized mold depositFeatures: Acid Resistant Good Abrasion Resistance High Hardness Bacteria Resistant Good Chemical ...