Urea treated BK

Surface treated urea. Acts as a blowing agent activators to low decomposition temperature of DPT, AC for expansion of rubbers and thermoplastics. Has low hygroscopic property and good compatibility with rubber and plastic in compounding. Used for extrusion of rigid PVC, atmospheric blow molding of nitrile rubber blended PVC thermal insulation stock/automobile weatherstrip used EPDM rubber/closed cell PVC sponge and press molded open cell pvc sponge/closed cell pads used sbr blended EPDM rubber, cellular rubber sole used SBR rubber.