SABIC VALOX™ EH7020HF PBT (Asia)

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SABIC VALOX™ EH7020HF PBT (Asia)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	VALOX EH7020HF is a mineral filled PBT/PET that offers good surface appearance, high flow and good heat performance. EH7020HF was developed for automotive bezel application that requires basecoat + top coat metalization. EH7020HF is higher flow version of EH7020. Information provided by SABIC
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Physical Properties	Original Value	Comments

Specific Gravity	1.49 g/cc	ASTM D792
Density	1.49 g/cc	ISO 1183
Water Absorption	0.42 %	23°C/sat; ISO 62
Moisture Absorption	0.420 %	23°C / 50% RH; ISO 62
Linear Mold Shrinkage, Flow	0.0153 - 0.0157 cm/cm	SABIC method
	0.01037 - 0.01059 cm/cm @Thickness 3.20 mm	SABIC method
Linear Mold Shrinkage, Transverse	0.01147 - 0.0118 cm/cm @Thickness 3.20 mm	SABIC method
Melt Flow	36 g/10 min @Load 1.20 kg, Temperature 266 °C	ASTM D1238
	52 g/10 min @Load 2.16 kg, Temperature 265 °C	cm³/10 min; ISO 1133
	64 g/10 min @Load 2.16 kg, Temperature 265 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	56.0 MPa	5 mm/min; ASTM D638
	57.0 MPa	5 mm/min; ISO 527
Tensile Strength, Yield	45.0 MPa	5 mm/min; ISO 527
	55.0 MPa	5 mm/min; ASTM D638
	56.0 MPa	SABIC - Japan Method
Elongation at Break	1.9 %	5 mm/min; ISO 527
	2.0 %	5 mm/min; ASTM D638
	8.0 %	SABIC - Japan Method
Elongation at Yield	1.5 %	5 mm/min; ISO 527
	2.0 %	5 mm/min; ASTM D638
Tensile Modulus	4800 MPa	1mm/min; ISO 527
	5880 MPa	5 mm/min; ASTM D638
Flexural Yield Strength	93.0 MPa	1.3 mm/min, 50 mm span; ASTM D790
	96.0 MPa	2 mm/min; ISO 178
	96.0 MPa @Thickness 6.40 mm	ASTM D790
Flexural Modulus	4680 MPa	1.3 mm/min, 50 mm span; ASTM D790
	4710 MPa	2 mm/min; ISO 178
	4860 MPa @Thickness 6.40 mm	ASTM D790
Izod Impact, Notched	30.0 J/m	ASTM D256
	31.0 J/m @Temperature -30.0 °C	ASTM D256
Izod Impact, Notched (ISO)	2.00 kJ/m²	80104; ISO 180/1A
	2.00 kJ/m² @Temperature -30.0 °C	80104; ISO 180/1A
Charpy Impact, Notched	2.00 kJ/m²	Edgew 80104 sp=62mm; ISO 179/1eA
Dart Drop, Total Energy	4.00 J	ASTM D3763

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	52.9 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
	52.9 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
CTE, linear, Transverse to Flow	62.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ASTM E831
	62.0 µm/m-°C @Temperature -40.0 - 40.0 °C	ISO 11359-2
Hot Ball Pressure Test	75.0 °C	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	200 °C @Thickness 6.40 mm	unannealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	77.0 °C	1.8 MPa Edgew 120104 sp=100mm; ISO 75/Ae
	89.0 °C	Flatw 80104 sp=64mm; ISO 75/Af
	70.0 °C @Thickness 3.20 mm	unannealed; ASTM D648
Vicat Softening Point	179 °C	Rate B/120; ISO 306
	180 °C	Rate B/50; ISO 306
	180 °C	Rate B/50; ASTM D1525

Processing Properties	Original Value	Comments
Nozzle Temperature	245 - 260 °C	Injection Molding
Zone 1	240 - 255 °C
Zone 2	245 - 260 °C
Zone 3	250 - 265 °C
Melt Temperature	250 - 265 °C
Mold Temperature	65.0 - 90.0 °C
Drying Temperature	120 °C	Injection Molding
Dry Time	3.00 - 4.00 hour	Injection Molding
	12.0 hour	Cumulative; Injection Molding
Moisture Content	0.020 %
Back Pressure	0.300 - 0.700 MPa
Shot Size	40 - 80 %
Vent Depth	0.00250 - 0.00380 cm
Screw Speed	50 - 80 rpm

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PSABI10271 / 243738

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