... 1.ISO9001,ISO14001 certification 2.waterproof coating for road and bridge 3.good abti-heat,antu-cold,elongation property Hongyuan waterproof ... aging capacity strengthened obviously.It can meet the requirement of bridge surface longtime load,prevent structure damaged,corrosion of rebar, ... caused by water seepage,extend the service life of bridge.2.Characteristic:1)Heat resistance Because of the special ...