1 - Rubber powder by 90% Contents: ....... 55% synthetic rubber. 35% natural rubber. 10% other materials. *** Alboudr user is milled frames (120-124) cm. 2 - The other components by 10% Include ........ 1 - oils to complete the settlement process. 2 - Article disassembled Links sulfur. 3 - Afinua flexibility necessary for the work of the product. Each one 20 kg & packaging in poly bag.