China composite ground mats protection roadway plate HDPE mats 2006-05-10
Parameter of China composite ground mats protection roadway plate HDPE mats:Physical propertiesASTMUnitValueWater absorption rateD570%<0.01%Compressive strengthD638Mpa≥27Shore hardnessD2240Shore65Heat distortion temperatureD648℃85Embrittlement temperatureD746℃<-40Specification of China composite gro