Purgamentum planta sunt planta facta de Flexilis, et Flexilis unicum materiae potest dividitur in naturalem Flexilis aut synthetica Flexilis. The advantage of natural rubber is that it is very soft, excellent elasticity, can be adapted to a variety of sports, to play a shock-absorbing role, but the disadvantage is also very obvious that is the oil resistance, ozone aging and thermal oxygen aging is poor. Umbraticis ludis calceos plerumque uti naturalis rubber.

Suadeo:

EPDM: S537-3; S537-2; J-MMXL; J-MMXLXXX; ter (VI) CCXXXV; ter (IV) DXLVIII;