... has good effects when used for rubber belts, bicycle tires, motorcycle tires, rubber shoes, simulated bottom leather (artificial cowhide), rubber ... Usage65X-AZO is mainly used for inner tires of cars, motorcycle tires, hi-end driving belts, bicycle tires, hi-end rubber shoes, ... etc.50X-AZO is mainly used for rubber belts, bicycle tires, rubber shoes, hi-end simulated bottom leather, frothing adhesive ...