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Polifil® M-40

Technical Datasheet | Supplied by The Plastics Group of America

Polifil® M-40 by The Plastics Group of America is an opaque to white colored polypropylene (PP) homopolymer reinforced with 40% mica. Possesses slight to none odor, high stiffness, low mold shrinkage and is insoluble to water. Is suitable for processing by injection molding. Polifil® M-40 is used in large area broad span applications where high modulus values are required and retained.

Polifil® M-40 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.23

ASTM D792

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

8 - 12 g/10 min

(230°C, 2.16 kg)

ASTM D1238

Linear Mold Shrinkage

0.008 in/in

(1/8" specimen)

ASTM D955

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

82 - 104 °C

Drying Time

1 - 2 hr

Mold Temperature

10 - 27 °C

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Polifil® M-40

Polifil® M-40 Properties

Physical Properties

Polifil® M-40 Processing Guidelines

Injection Molding Properties