... thermal and acoustical insulation 3,Dimension Stable GNS A15 MULTI-PURPOSE PU FOAMVery good filling capacitiesHigh thermal and acoustical insulationDimension ... 30~40Specific Gravity (Kg/M3)16~20 PRODUCT DESCRIPTIONGNS MULTI- PURPOSE PU FOAM A15 is a one-component, ready ... water pipes;Heat preservation, cold and sound insulation;Packaging purpose, wrap the precious & fragile commodity, shake-proof and ...