Construction:The glue of inner: adpot natural rubber with good heat-resistance,Website:http://www.yunlongrubber.com, compounded rubber or o Ethylene-Propylene-Diene Monomer (EPDM) as the main material and also add the special reinforced materials, which is smooth, scratch resistance, aging resistance and heat steam resistance,etc.The reinforced layer: use high-quality fibre cloth(canvas) or ...