Evonik VESTAMID® HTplus M1634 black E70428 Polyphthalamide (PPA), 40% Glass Fiber Reinforced

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Evonik VESTAMID® HTplus M1634 black E70428 Polyphthalamide (PPA), 40% Glass Fiber Reinforced (discontinued **)
Categories:	Polymer; Thermoplastic; Polyphthalamide (PPA); Polyphthalamide (PPA), 40% Glass Fiber Reinforced
Material Notes:	VESTAMID® HTplus M1634 black E70428 is a glass fiber-reinforced (40%), heat-stabilized polyphthalamide compound (PPA) for injection molding. The material contains about 40% glass fibers, an aging protective agent and processing aid for a fast and even form filling. VESTAMID® HTplus M1634 black E70428 is supplied as cylindrical pellets in polyethylene packaging. Drying at 120°C for at least 4 hours before processing is recommended. Pigmentation may affect values. Property data for dry samples unless otherwise noted. Information provided by Evonik.
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Physical Properties	Metric	English	Comments

Density	1.54 g/cc	0.0556 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0030 cm/cm	0.0030 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.010 cm/cm	0.010 in/in	ISO 294-4, 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	190 MPa	27600 psi	Conditioned; ISO 527
	200 MPa	29000 psi	ISO 527
Tensile Modulus	14.2 GPa	2060 ksi	ISO 527
	14.7 GPa	2130 ksi	Conditioned; ISO 527
Charpy Impact Unnotched	2.90 J/cm² @Temperature -40.0 °C	13.8 ft-lb/in² @Temperature -40.0 °F	Complete Break, Conditioned; ISO 179/1eU
	3.20 J/cm² @Temperature -40.0 °C	15.2 ft-lb/in² @Temperature -40.0 °F	Complete Break; ISO 179/1eU
	3.60 J/cm² @Temperature 23.0 °C	17.1 ft-lb/in² @Temperature 73.4 °F	Complete Break; ISO 179/1eU
	4.50 J/cm² @Temperature 23.0 °C	21.4 ft-lb/in² @Temperature 73.4 °F	Complete Break; ISO 179/1eU
Charpy Impact, Notched	0.800 J/cm² @Temperature 23.0 °C	3.81 ft-lb/in² @Temperature 73.4 °F	Complete Break; ISO 179/1eA
	1.00 J/cm² @Temperature 23.0 °C	4.76 ft-lb/in² @Temperature 73.4 °F	Complete Break; ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	9.66e+13 ohm-cm	9.66e+13 ohm-cm	Conditioned; IEC 62631-3-1
	1.51e+14 ohm-cm	1.51e+14 ohm-cm	IEC 62631-3-1
Dielectric Strength	31.0 kV/mm	787 kV/in	Conditioned. AC, S20/P50; Sim. to IEC 60243-1
	31.0 kV/mm	787 kV/in	AC, S20/P50; Sim. to IEC 60243-1
Comparative Tracking Index	575 V	575 V	test solution A, 50 drops value; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	24.8 µm/m-°C @Temperature 23.0 - 55.0 °C	13.8 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2.
CTE, linear, Transverse to Flow	37.3 µm/m-°C @Temperature 23.0 - 55.0 °C	20.7 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1/-2
Melting Point	309 °C	588 °F	ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	314 °C	597 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	296 °C	565 °F	ISO 75-1/-2
Deflection Temperature at 8.0 MPa	227 °C	441 °F	Load C; ISO 75-1/-2
Flammability Test	1.0 @Thickness 0.800 mm	1.0 @Thickness 0.0315 in	IEC 60695-11-10

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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PEVONIK839 / 243048

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