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	Metric	English	Comments

Specific Gravity	1.30 g/cc	1.30 g/cc	ASTM D792
Density	1.30 g/cc	0.0470 lb/in³	ISO 1183
Water Absorption	0.10 % @Temperature 22.8 °C	0.10 % @Temperature 73.0 °F	24hr immersion; ASTM D570
Moisture Absorption	0.200 %	0.200 %	23°C/50%RH; ISO 62
Linear Mold Shrinkage, Flow	0.0060 - 0.0080 cm/cm	0.0060 - 0.0080 in/in	ISO 294-4
	0.0060 - 0.0080 cm/cm	0.0060 - 0.0080 in/in	ASTM D955
Linear Mold Shrinkage, Transverse	0.012 - 0.014 cm/cm	0.012 - 0.014 in/in	ISO 294-4
Melt Flow	8.5 g/10 min @Load 5.00 kg, Temperature 250 °C	8.5 g/10 min @Load 11.0 lb, Temperature 482 °F	[cm3/10min]; ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	111	111	ISO 2039-2
Tensile Strength at Break	45.0 MPa	6530 psi	5mm/min; ISO 527-2/1A
Tensile Strength, Yield	49.6 MPa	7200 psi	ASTM D638
	50.0 MPa	7250 psi	50mm/min; ISO 527-2/1A
Elongation at Break	6.0 %	6.0 %	50mm/min; ISO 527-2/1A
	8.0 %	8.0 %	ASTM D638
Elongation at Yield	4.0 %	4.0 %	50mm/min; ISO 527-2/1A
Tensile Modulus	2.80 GPa	406 ksi	50mm/min; ISO 527-2/1A
Flexural Strength	75.0 MPa	10900 psi	ISO 178
	85.5 MPa	12400 psi	ASTM D790
Flexural Modulus	2.70 GPa	392 ksi	ISO 178
	2.72 GPa	395 ksi	ASTM D790
Izod Impact, Notched	1.60 J/cm	3.00 ft-lb/in	ASTM D256
	0.481 J/cm @Temperature -28.9 °C	0.900 ft-lb/in @Temperature -20.0 °F	ASTM D256
Izod Impact, Notched (ISO)	13.0 kJ/m²	6.19 ft-lb/in²	ISO 180/1A
Charpy Impact Unnotched	6.00 J/cm²	28.6 ft-lb/in²	ISO 179/1eU
	5.00 J/cm² @Temperature -30.0 °C	23.8 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	1.40 J/cm²	6.66 ft-lb/in²	ISO 179/1eA
	0.500 J/cm² @Temperature -30.0 °C	2.38 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+14 ohm-cm	>= 1.00e+14 ohm-cm	IEC 60093
	1.00e+15 ohm-cm	1.00e+15 ohm-cm	ASTM D257
Surface Resistance	>= 1.00e+14 ohm	>= 1.00e+14 ohm	IEC 60093
Dielectric Constant	3.6 @Frequency 1000 Hz	3.6 @Frequency 1000 Hz	ASTM D150
	3.8 @Frequency 1e+6 Hz	3.8 @Frequency 1e+6 Hz	IEC 60250
	4.3 @Frequency 100 Hz	4.3 @Frequency 100 Hz	IEC 60250
Dielectric Strength	26.0 kV/mm	660 kV/in	IEC 60243-1
Dissipation Factor	0.0040 @Frequency 1000 Hz	0.0040 @Frequency 1000 Hz	ASTM D150
	0.0060 @Frequency 100 Hz	0.0060 @Frequency 100 Hz	IEC 60250
	0.029 @Frequency 1e+6 Hz	0.029 @Frequency 1e+6 Hz	IEC 60250
Arc Resistance	130 sec	130 sec	ASTM D495
Comparative Tracking Index	425 V	425 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	40.0 µm/m-°C	22.2 µin/in-°F	ISO 11359-2
CTE, linear, Transverse to Flow	138 µm/m-°C	76.7 µin/in-°F	ISO 11359-2
Melting Point	225 °C	437 °F	10°C/min; ISO 11357-1,-2,-3
	225 °C	437 °F	ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi)	193 °C	379 °F	ASTM D648
	200 °C	392 °F	ISO 75-1, -2
Deflection Temperature at 1.8 MPa (264 psi)	76.7 °C	170 °F	ASTM D648
	92.0 °C	198 °F	ISO 75-1, -2
Vicat Softening Point	170 °C	338 °F	ISO 306
Glass Transition Temp, Tg	60.0 °C	140 °F	ISO 11357-1,-2,-3
Flammability, UL94	HB	HB
	HB @Thickness 0.850 mm	HB @Thickness 0.0335 in

Processing Properties	Metric	English	Comments
Processing Temperature	65.0 - 96.0 °C	149 - 205 °F	cavity
	250 - 260 °C	482 - 500 °F	hot runner
Feed Temperature	230 - 240 °C	446 - 464 °F
Zone 1	230 - 240 °C	446 - 464 °F
Zone 2	235 - 250 °C	455 - 482 °F
Zone 3	235 - 250 °C	455 - 482 °F
Zone 4	240 - 260 °C	464 - 500 °F
Die Temperature	240 - 260 °C	464 - 500 °F
Melt Temperature	235 - 260 °C	455 - 500 °F
	260 °C	500 °F	ISO 294
Mold Temperature	82.0 °C	180 °F	ISO 294
Injection Velocity	300 mm/sec	11.8 in/sec	ISO 294
Drying Temperature	120 - 130 °C	248 - 266 °F
Dry Time	4.00 hour	4.00 hour
Moisture Content	<= 0.020 %	<= 0.020 %
Hold Pressure	86.0 MPa	12500 psi	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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