Carmel Olefins CARMELCLEAR™ MT 74 A Specialty Polypropylene

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Carmel Olefins CARMELCLEAR™ MT 74 A Specialty Polypropylene (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Impact Modified; Molded/Extruded
Material Notes:	CARMELCLEAR™ MT 74 A is a modified polypropylene for injection molding of high impact transparent articles. It exhibits excellent impact resistance at low and ambient temperatures, very good transparency combined with good flexibility and low stress-whitening. It contains anti-static additives. APPLICATIONS CARMELCLEAR™ MT 74 A is suitable for clear ice cream boxes, flexible lids with tight closure properties, see-through delicate tool packaging, and clear “freezer to microwave” food boxes. It is frequently used as an impact modifier in blends with random copolymers.
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Physical Properties	Metric	English	Comments

Melt Flow	22 g/10 min @Load 2.16 kg, Temperature 230 °C	22 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Flexural Modulus	0.650 GPa	94.3 ksi	ASTM D790
Izod Impact, Notched	0.700 J/cm @Temperature >=-20.0 °C	1.31 ft-lb/in @Temperature >=-4.00 °F	ASTM D256
	5.00 J/cm @Temperature >=23.0 °C	9.37 ft-lb/in @Temperature >=73.4 °F	ASTM D256

Optical Properties	Metric	English	Comments
Haze	32 % @Thickness 1.60 mm	32 % @Thickness 0.0630 in	plaque; ASTM D1003
Transmission, Visible	90 %	90 %	clear; thickness not quantified

**
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