... exhibition boards2) Building: models, partitions, wall cladding, indoor or outdoor decoration, air conditioning ducts, windows and false ceilings3) ... corrosive environments, ductsSpecifications:1) Thickness: 1--20mm2) Standard sheet: 1,220 x 2,440mm,1,560 x 3, ... Tough, rigid with the high impact strength. 9. Stable color retention. 10. Dampproof.11. Anti - deformed High quality Rigid PVC foam board