... fire proof 3.cossion resistance CR being adaptive to various weather conditions, heat resistant,flame retardant, oil resistant, and chemical resistant. CR Series ... and flame retardant. Furthermore, the CR Series has goodmechanical properties, especially high ductility, toughness ... CR foam sheet Rubber Foam ( CR Series)Character1Non Halogens2Sulfur Free3Acid and alkali resistant4Ozone resistant5Weather ...