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LNP (SABIC Innovative Plastics) VALOX® EXCP0212 Polybutylene Terephthalate, 45% Graphite Fiber Reinforcement

Subcategory: Filled/Reinforced Thermoplastic; 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:
Automotive heat sinks/spreaders, cooling fans.

• Features: Thermally Conductive, Electrically Conductive, Flame Retardant
• Forms: Pellets
• Processing Method: Injection Molding

Physical Properties	Original Value		Comments
Specific Gravity	1.66 g/cc		ASTM D792
Mechanical Properties
Tensile Strength at Break	49 MPa		Type I, 5 mm/min; ASTM D638
Tensile Strength, Yield	49 MPa		Type I, 5 mm/min; ASTM D638
Elongation at Break	1.7 %		Type I, 5 mm/min; ASTM D638
Flexural Modulus	8.64 GPa		(50.8 mm Span) 1mm/min; ASTM D790
Flexural Strength	73.8 MPa		at Break, (50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched	0.16 J/cm		ASTM D256
Izod Impact, Unnotched	0.907 J/cm		ASTM D256
Falling Dart Impact	4.34 J		ASTM D3763
Electrical Properties
Volume Resistivity	160 ohm-cm		ASTM D257
Surface Resistance	100000 ohm		ASTM D257
Thermal Properties
Thermal Conductivity	1.1 W/m-K		ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	213 °C		Unannealed (3.18 mm); ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	161 °C		Unannealed (3.18 mm); ASTM D648
Processing Properties
Rear Barrel Temperature	238 - 254 °C
Middle Barrel Temperature	243 - 260 °C
Front Barrel Temperature	249 - 266 °C
Nozzle Temperature	243 - 260 °C
Melt Temperature	249 - 266 °C
Mold Temperature	48.9 - 76.7 °C
Drying Temperature	121 °C
Dry Time	3 - 12 hour
Moisture Content	0.02 %		Suggested
Back Pressure	0.345 - 0.689 MPa
Clamp Pressure	41 - 69 MPa
Shot Size	40 - 80 %		Suggested
Vent Depth	0.0025 - 0.0038 cm
Screw Speed	50 - 100 rpm