The resins consist of 70-95 polypropylene isomers with diene solubility and crystallinity of at least 3, ethylene/propylene copolymers of at least 55, ethylene/propylene copolymers of 5-30, and ethylene of 8-15, in which the largest share of ethylene is random.

摘要

T T T; EM A 30% by weight is COPOL amp; Iacute; pure ethylene / propylene. a. PVC and PVC; Iacute; ethylene / propylene, containing M amp; Aacute; ethylene / propylene, 8% to 15% by weight, of which n; Iacute; ethylene / propylene of the largest PVC; oacute; ethylene in PVC and PVC, random; / P