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LNP (SABIC Innovative Plastics) VALOX® VC108 Polybutylene Terephthalate

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:

• Forms: Pellets

Information provided by LNP, a GE Plastics Company.

Physical Properties	Metric	English	Comments
Specific Gravity	1.43 g/cc	0.0517 lb/in³	ASTM D792
Linear Mold Shrinkage	0.003 - 0.005 cm/cm	0.003 - 0.005 in/in	3.20 mm; ASTM D955
Linear Mold Shrinkage	0.008 - 0.01 cm/cm	0.008 - 0.01 in/in	6.40 mm; ASTM D955
Mechanical Properties
Tensile Strength, Yield	98.1 MPa	14200 psi	ASTM D638
Elongation at Break	3 %	3 %	ASTM D638
Flexural Modulus	5.98 GPa	867 ksi	ASTM D790
Flexural Strength	148 MPa	21500 psi	ASTM D790
Izod Impact, Notched	0.39 J/cm	0.731 ft-lb/in	ASTM D256
Electrical Properties
Surface Resistance	1e+008 - 1e+012 ohm	1e+008 - 1e+012 ohm	ASTM D257
Thermal Properties
CTE, linear 20°C	80 µm/m-°C	44.4 µin/in-°F	TMA, -30°C to 30°C
Deflection Temperature at 0.46 MPa (66 psi)	199 °C	390 °F	Unannealed (3.20 mm); ASTM D648