PBT 780 Resin 阻燃级

添加时间：2014-06-15 信息来源：http://www.xzslw.com/ 作者：苏州希普能塑料

VALOX™ PBT 780 Resin

聚对苯二甲酸丁酯

SABIC Innovative Plastics (Americas)

产品说明

40% gl/min, UL94 V-0 rated. Nonblooming flame retardant. Circuit breaker handles/housings, motor coil housings.

材料特点：阻燃UL94 V-0

材料用途：断路器手柄/外壳,电机线圈外壳

定属记号：PBT

塑料牌号：PBT 780

销售电话：185 5121 3137 谭经理

销售地址：http://www.xzslw.com/sujiao/pbt/valox/780.html

材料物性

MECHANICAL	Value	Unit	Standard
Tensile Stress,brk,Type I,5 mm/min	1010	kgf/cm²	ASTM D 638
Flexural Stress,brk,1.3 mm/min,50 mm span	1680	kgf/cm²	ASTM D 790
Flexural Modulus,1.3 mm/min,50 mm span	105400	kgf/cm²	ASTM D 790
Hardness,Rockwell R	116	-	ASTM D 785
IMPACT	Value	Unit	Standard
Izod Impact,unnotched,23℃	38	cm-kgf/cm	ASTM D 4812
Izod Impact,notched,23℃	5	cm-kgf/cm	ASTM D 256
THERMAL	Value	Unit	Standard
HDT,0.45 MPa,6.4 mm,unannealed	210	℃	ASTM D 648
HDT,1.82 MPa,6.4 mm,unannealed	193	℃	ASTM D 648
CTE,-40℃ to 40℃,flow	2.52E-05	1/℃	ASTM E 831
CTE,60℃ to 138℃,flow	2.88E-05	1/℃	ASTM E 831
Relative Temp Index,Elec	130	℃	UL 746B
Relative Temp Index,Mech w/impact	130	℃	UL 746B
Relative Temp Index,Mech w/o impact	140	℃	UL 746B
PHYSICAL	Value	Unit	Standard
Specific Gravity	1.77	-	ASTM D 792
Specific Volume	0.56	cm³/g	ASTM D 792
Water Absorption,24 hours	0.02	%	ASTM D 570
Mold Shrinkage,flow,1.5-3.2 mm(5)	0.3-0.4	%	SABIC Method
Mold Shrinkage,flow,3.2-4.6 mm(5)	0.4-0.6	%	SABIC Method
Mold Shrinkage,xflow,1.5-3.2 mm(5)	0.4-0.6	%	SABIC Method
Mold Shrinkage,xflow,3.2-4.6 mm(5)	0.6-0.8	%	SABIC Method
ELECTRICAL	Value	Unit	Standard
Volume Resistivity	3.5E+15	Ohm-cm	ASTM D 257
Dielectric Strength,in air,3.2 mm	18.1	kV/mm	ASTM D 149
Dielectric Strength,in oil,1.6 mm	25.5	kV/mm	ASTM D 149
Relative Permittivity,100 Hz	3.9	-	ASTM D 150
Relative Permittivity,1 MHz	3.8	-	ASTM D 150
Dissipation Factor,100 Hz	0.007	-	ASTM D 150
Dissipation Factor,1 MHz	0.02	-	ASTM D 150
Arc Resistance,Tungsten{PLC}	6	PLC Code	ASTM D 495
Hot Wire Ignition{PLC)	1	PLC Code	UL 746A
High Voltage Arc Track Rate{PLC}	1	PLC Code	UL 746A
High Ampere Arc Ign,surface{PLC}	4	PLC Code	UL 746A
Comparative Tracking Index(UL){PLC}	3	PLC Code	UL 746A
FLAME CHARACTERISTICS	Value	Unit	Standard
UL Recognized,94V-0 Flame Class Rating(3)	0.81	mm	UL 94
Injection Molding	Value		Unit
Drying Temperature	120		℃
Drying Time	3-4		hrs
Drying Time(Cumulative)	12		hrs
Maximum Moisture Content	0.02		%
Melt Temperature	255-275		℃
Nozzle Temperature	255-270		℃
Front-Zone 3 Temperature	255-265		℃
Middle-Zone 2 Temperature	250-260		℃
Rear-Zone 1 Temperature	245-255		℃
Mold Temperature	65-95		℃
Back Pressure	0.3-0.7		MPa
Screw Speed	50-80		rpm
Shot to Cylinder Size	40-80		%
Vent Depth	0.025-0.038		mm

PBT VALOX™ RESIN

Semi-crystalline polybutylene terephthalate, one of the most widely-used engineering materials, shows low moisture and thermal expansion and offers outstanding wear and friction properties. With good strength at high temperatures, it has good electrical properties and flame resistance.