... initial strenght, good heat-resistance, uneasy to form fine thread, short tack time,suitable for both handwork etc Polyurethane ( ... :Strong initial strenght, good heat-resistance, uneasy to form fine thread, short tack time, suitable for both handwork and pipelining. ... Materials: PVC, PU, TPR, Rubber, Leather, ABS, Nylone, Cloth etc.6.> Application: Shoes manufacture, Leather goods industry etc.