... 12.0mm 12.5mm3> Designs of pvc gypsum board ceiling: as to the customer reqiure4> Weight of pvc gypsum board ceiling: 7. ... modified starch ,coagulant agent ,vesicant and water .which are easy to mixed ,formed ,coagulated ,cut ,dryed and sliced into light ... light weight ,fire-resistance ,soundproof ,damp proof ,heating insultation.easy to operate(swan ,nailed ,or milled) and disassemble .PVC Gypsum ...