... 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 to ... variety of surfaces such as UPVC, masonry, brick,block work, glass, steel, aluminum, timber and other substrates (except PP,PE ...