... General Purpose PU Foam 1,General Purpose 2,Cost Effective 3,Value for money 4,No post expansion after cured GNS A22 General ... Purpose PU Foam1,General Purpose2,Cost Effective3,Value for money4,No post ... ) (900g/750ml)25~30Specific Gravity (Kg/M3)12~18PRODUCT DESCRIPTIONGNS General Purpose PU Foam A22 is a one-component, ready to ...