MatWeb, The Online Materials Database

SABIC Innovative Plastics VALOX 4521 PBT (Europe)

Subcategory: Polybutylene Terephthalate (PBT); Polyester, TP; Polymer; Thermoplastic

Close Analogs: Saudi Basic Industries Corporation (SABIC) announced on August 31st, 2007, the completion of its purchase of GE Plastics.

Material Notes:
Information provided by GE Plastics for their European product line. This product is also a part of their North American product line.

Physical Properties	Original Value		Comments
Density	1.53 g/cc		ASTM D 792
Density	1.53 g/cc		ISO 1183
Moisture Absorption at Equilibrium	0.09 %		(23 C / 50% RH) 1L; ISO 15512
Water Absorption at Saturation	0.28 %		23C; ISO 62
Linear Mold Shrinkage	0.003 - 0.007 cm/cm		Flow; ASTM D 955
Linear Mold Shrinkage, Transverse	0.006 - 0.009 cm/cm		ASTM D 955
Melt Flow	19 g/10 min		cm3/10min; Melt Volume Rate, MVR at 250C/2.16 kg; ISO 1133
Melt Flow	26 g/10 min		250C/2.16 kg; ISO 1133
Mechanical Properties
Tensile Strength, Ultimate	110 MPa		5 mm/min; ISO 527
Elongation at Break	3 %		5 mm/min; ISO 527
Tensile Modulus	7.5 GPa		1 mm/min; ISO 527
Flexural Modulus	7 GPa		2 mm/min; ISO 178
Flexural Strength	160 MPa		2 mm/min; ISO 178
Izod Impact, Notched (ISO)	5 kJ/m²		80*10*4 +23 C; ISO 180/ 1A
Izod Impact, Unnotched (ISO)	40 kJ/m²		80*10*4 +23 C; ISO 180/ 1U
Izod Impact, Unnotched Low Temp (ISO)	25 kJ/m²		80*10*4 -30 C; ISO 180/ 1U
Izod Impact, Notched, Low Temp (ISO)	5 kJ/m²		80*10*4 -30 C; ISO 180/ 1A
Charpy Impact Unnotched	3 J/cm²		23C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU
Charpy Impact, Notched, Low Temp	0.55 J/cm²		at -30C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA
Charpy Impact, Unnotched Low Temp	2.8 J/cm²		at -30C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU
Charpy Impact, Notched	0.55 J/cm²		23C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA
Electrical Properties
Volume Resistivity	Min 1e+015 ohm-cm		IEC 60093
Surface Resistivity per Square	Min 1e+015 ohm		ROA; IEC 60093
Dielectric Constant	3.2		1 MHz; IEC 60250
Dielectric Constant	3.3		50 Hz; IEC 60250
Dielectric Strength	17 kV/mm		in oil, 3.2 mm; IEC 60243-1
Dielectric Strength	23 kV/mm		in oil, 1.6 mm; IEC 60243-1
Dielectric Strength	25 kV/mm		in oil, 0.8 mm; IEC 60243-1
Dissipation Factor	0.001		50 Hz; IEC 60250
Dissipation Factor	0.02		1 MHz; IEC 60250
Comparative Tracking Index	250 V		Stand. Black; IEC 60112/3rd
Comparative Tracking Index	275 V		IEC 60112/3rd
Comparative Tracking Index	275 V		Electr Grey; IEC 60112/3rd
Thermal Properties
CTE, linear 20°C	25 µm/m-°C		23C-80C, flow; ISO 11359-2
CTE, linear 20°C Transverse to Flow	120 µm/m-°C		23C-80C; ISO 11359-2
CTE, linear 100°C	130 µm/m-°C		23C-150C, cross flow; ISO 11359-2
CTE, linear 100°C	20 µm/m-°C		23C-150C, flow; ISO 11359-2
Thermal Conductivity	0.27 W/m-K		ISO 8302
Deflection Temperature at 0.46 MPa (66 psi)	220 °C		HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm; ISO 75/Be
Deflection Temperature at 1.8 MPa (264 psi)	205 °C		HDT/Ae, 1.82 MPa Edgew 120*10*4 sp=100mm; ISO 75/Ae
Vicat Softening Point	190 °C		B/120; ISO 306
Vicat Softening Point	205 °C		B/50; ISO 306
UL RTI, Electrical	130 °C		UL 746B
UL RTI, Mechanical with Impact	130 °C		UL 746B
UL RTI, Mechanical without Impact	130 °C		UL 746B
Flammability, UL94	V-0		0.75 mm
Flammability Test	1		mm; IEC Needle Flame Test, 10 s , passes at; IEC 60695-2-2
Oxygen Index	29 %		ISO 4589
Glow Wire Test	960 °C		Passes at 1 mm; EDF HN60S02
Glow Wire Test	960 °C		Passes at 3.2 mm; IEC 60695-2-1
Descriptive Properties
Ball Pressure Test, 125 C +/- 2 C	PASSES	IEC 60035-1