RTP Company RTP 149 HB Polypropylene (PP), Mica

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RTP Company RTP 149 HB Polypropylene (PP), Mica - UL94 HB
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene with 30% Mica Filler
Material Notes:	RTP 149 HB is a mica reinforced polypropylene. It offers good strength, stiffness and improved heat distortion temperature vs. unreinforced polypropylene. Moldability, dimensional control and flattness are enhanced as well.
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Physical Properties	Original Value	Comments

Specific Gravity	1.08 g/cc	ASTM D 792
Filler Content	25 %	Primary Additive
Water Absorption	0.020 %	24 hrs @ 23°C; ASTM D 570
Linear Mold Shrinkage	0.0090 - 0.013 cm/cm @Thickness 3.17 mm	ASTM D955

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	4300 psi	ASTM D 638
Elongation at Break	>= 10 %	ASTM D 638
Tensile Modulus	600 ksi	ASTM D 638
Flexural Strength	7000 psi	ASTM D 790
Flexural Modulus	500 ksi	ASTM D 790
Izod Impact, Notched	0.900 ft-lb/in @Thickness 3.17 mm	D 256
Izod Impact, Unnotched	9.00 ft-lb/in @Thickness 3.17 mm	ASTM D4812

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	ASTM D 257

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	235 °F	ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)	215 °F	ASTM D 648
Flammability, UL94	HB @Thickness 1.59 mm

Processing Properties	Original Value	Comments
Melt Temperature	375 - 450 °F
Mold Temperature	90.0 - 150 °F
Drying Temperature	175 °F
Dry Time	2 hour
Injection Pressure	10000 - 15000 psi

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PQZWA867 / 92420

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