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Polifil® M-40 are homopolymer polypropylene resins reinforced with mica. They combine an improved range of high-stiffness values with low mold shrinkage.

Polymer Name: Polypropylene Homopolymer (HPP)

Fillers Included: Mica

Melt Flow Index: 8.0 - 12.0 g/10 min

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Knowde Enhanced TDS

Identification & Functionality

Fillers Included
Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Applications

These compounds are used in large area broad span applications where high modulus values are required and retained. Standard processing techniques are applicable. Use this information as a guide to aid you in selecting the proper resin for your application. TPG will custom compound and fine-tune our formulations for your application.

Properties

Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Reinforcement content40TPG WI
Specific gravity1.23D 792
Melt flow 230/2.168-12g/10 minD 1238
Water absorption, 24 hoursnil%D 570
Mold shrinkage – 1/8˝ specimen 0.008in/inD 955
Mechanical Properties
ValueUnitsTest Method / Conditions
Hardness108Shore DD 1415
Tensile strength4400psiD 638
Tensile modulus600kpsiD 638
Flexural modulus, tangent750kpsiD 790
Flexural strength8000psiD 790
Izod impact, notched0.88ft-lbs/inD 256
Gardner impact, 1/2˝ tup4in-lbsD 5420
Elongation (Break)6%D 638
Elongation (Yield)3%D 638
Thermal Properties
ValueUnitsTest Method / Conditions
Deflection temperature, 66psi290˚FD 648
Deflection temperature, 264psi240˚FD 648

Regulatory & Compliance

Chemical Inventories