Celanese Vandar® 4612R PBT, 7% Glass Reinforced

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Celanese Vandar® 4612R PBT, 7% Glass Reinforced
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 10% Glass Fiber Filled
Material Notes:	Vandar 4612R is a high impact polyester alloy containing 7% glass. It possesses excellent impact properties as well as toughness and moldability. Dimensional stability, chemical resistance, and low moisture absorption are other key features. Information provided by Celanese
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Physical Properties	Original Value	Comments

Specific Gravity	1.30 g/cc	ASTM D792
Density	1.30 g/cc	ISO 1183
Water Absorption	0.10 % @Temperature 22.8 °C	24hr immersion; ASTM D570
Moisture Absorption	0.200 %	23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow	0.0060 - 0.0080 cm/cm	ISO 294-4
	0.0060 - 0.0080 cm/cm	ASTM D955
Linear Mold Shrinkage, Transverse	0.012 - 0.014 cm/cm	ISO 294-4
Melt Flow	8.5 g/10 min @Load 5.00 kg, Temperature 250 °C	[cm3/10min]; ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	111	ISO 2039-2
Tensile Strength at Break	45.0 MPa	5mm/min; ISO 527-2/1A
Tensile Strength, Yield	50.0 MPa	50mm/min; ISO 527-2/1A
	7200 psi	ASTM D638
Elongation at Break	6.0 %	50mm/min; ISO 527-2/1A
	8.0 %	ASTM D638
Elongation at Yield	4.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus	2800 MPa	50mm/min; ISO 527-2/1A
Flexural Strength	75.0 MPa	ISO 178
	12400 psi	ASTM D790
Flexural Modulus	2700 MPa	ISO 178
	395000 psi	ASTM D790
Izod Impact, Notched	3.00 ft-lb/in	ASTM D256
	0.900 ft-lb/in @Temperature -28.9 °C	ASTM D256
Izod Impact, Notched (ISO)	13.0 kJ/m²	ISO 180/1A
Charpy Impact Unnotched	60.0 kJ/m²	ISO 179/1eU
	50.0 kJ/m² @Temperature -30.0 °C	ISO 179/1eU
Charpy Impact, Notched	14.0 kJ/m²	ISO 179/1eA
	5.00 kJ/m² @Temperature -30.0 °C	ISO 179/1eA

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+14 ohm-cm	IEC 60093
	1.00e+15 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+14 ohm	IEC 60093
Dielectric Constant	3.6 @Frequency 1000 Hz	ASTM D150
	3.8 @Frequency 1e+6 Hz	IEC 60250
	4.3 @Frequency 100 Hz	IEC 60250
Dielectric Strength	26.0 kV/mm	IEC 60243-1
Dissipation Factor	0.0040 @Frequency 1000 Hz	ASTM D150
	0.0060 @Frequency 100 Hz	IEC 60250
	0.029 @Frequency 1e+6 Hz	IEC 60250
Arc Resistance	130 sec	ASTM D495
Comparative Tracking Index	425 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	40.0 µm/m-°C	ISO 11359-2
CTE, linear, Transverse to Flow	138 µm/m-°C	ISO 11359-2
Melting Point	225 °C	10°C/min; ISO 11357-1,-2,-3
	437 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	200 °C	ISO 75-1, -2
	379 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	92.0 °C	ISO 75-1, -2
	170 °F	ASTM D648
Vicat Softening Point	170 °C	ISO 306
Glass Transition Temp, Tg	60.0 °C	ISO 11357-1,-2,-3
Flammability, UL94	HB
	HB @Thickness 0.850 mm

Processing Properties	Original Value	Comments
Processing Temperature	65.0 - 96.0 °C	cavity
	250 - 260 °C	hot runner
Feed Temperature	230 - 240 °C
Zone 1	230 - 240 °C
Zone 2	235 - 250 °C
Zone 3	235 - 250 °C
Zone 4	240 - 260 °C
Die Temperature	240 - 260 °C
Melt Temperature	235 - 260 °C
	260 °C	ISO 294
Mold Temperature	82.0 °C	ISO 294
Injection Velocity	300 mm/sec	ISO 294
Drying Temperature	120 - 130 °C
Dry Time	4.00 hour
Moisture Content	<= 0.020 %
Hold Pressure	86.0 MPa	ISO 294

Descriptive Properties
Injection molding	Yes
Injection speed	medium-fast
Processing conditions acc. ISO	7792-2

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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