THERE ARE THREE KINDS OF RESINS AVAILABLE AS BELOW:Vinyl Chloride-Vinyl Acetates CopolymersLA Type; CK Type; RC Type; LP Type; UM50 Type;UM55 Type;UM62 Type;UM68 Type; SP Type; HA Type vinyl chloride-vinyl acetates copolymer;MC39 Vinyl chloride-Vinyl Acetates-Maleic Acid Terpolymer.Carboxyl Series Vinyl Chloride-Vinyl Acetates TerpolymerUMCH52; UMCH55; UMCH58; JA; JB; JCHydroxyl Type Vinyl Chloride-Vinyl Acetates TerpolymerUMOH; LPOH; VAOH; VROHNote: UMCH equivalent to VMCH;UMOH equivalent to VAGH;UM55 equivalent to VYHH;UM50 equivalent to VYHD;MC39 equivalent to VMCC AND VMCA;CK equivalent to VYNS-3.