| http://www.w3.org/ns/prov#value | - In order to achieve the high expansions required for applications such as packaging, PP is often blended with other polyolefins, mainly low melting point ethylene copolymers such as EVA or ethylene-octene copolymers [3] or used as random copolymer with low ethylene content [4].Some of the advantages of PP, such as its higher stiffness, strength, and better impact strength, only start to be relevan
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