Color/Clarity/Impact. TOTAL Petrochemicals Polypropylene Z9421 is a low melting, high ethylene random copolymer with improved color, optics and impact properties. Heat Sealable. The very low melting point of Z9421 makes it an excellent heat seal layer for oriented films. FDA. Z9421 complies with all applicable FDA regulations Title 21 CFR Section 177.1520(c) 3.1 and may be used under these provisions for food contact and packaging. Recommended Applications. Z9421 is recommended for use in non-oriented film processes for manufacture of films that require improved optical and impact properties and as a heat seal layer for oriented films. Information provided by Total Petrochemicals. |