Mainly used in tire, rubber product Rubber adhesive ra 65(hmmm) Property: this product is the improved product of rubber adhesive a. The appearance of this product is one kind of white powder and gives off methanal upon heating. It is hypo-methanal donator among double functioning adhesive system for rubber Specification Appearance: white powder Ash content (850 degree), %: 29-35 Moisture content (boiling evaporation method) & 4.5 Sieve residue (325 mesh wet-method), % & 0.3 Free formaldehyde, % & 0.1 25kg/bag