PBT 311 Resin 抗紫外线,中等粘度

添加时间：2014-06-13 信息来源：http://www.xzslw.com/ 作者：苏州希普能塑料

VALOX™ PBT 311 Resin

非增强型

聚对苯二甲酸丁酯

SABIC Innovative Plastics (Americas)

产品说明

Unreinforced, improved resistance to UV. Medium viscosity.

材料特点：抗紫外线改进,中等粘度

定属记号：PBT

塑料牌号：PBT 311

销售电话：185 5121 3137 谭经理

销售地址：http://www.xzslw.com/sujiao/pbt/valox/311.html

材料物性

MECHANICAL	Value	Unit	Standard
Tensile Stress,yld,Type I,50 mm/min	520	kgf/cm²	ASTM D 638
Tensile Strain,brk,Type I,50 mm/min	300	%	ASTM D 638
Flexural Stress,yld,1.3 mm/min,50 mm span	840	kgf/cm²	ASTM D 790
Flexural Modulus,1.3 mm/min,50 mm span	23900	kgf/cm²	ASTM D 790
Hardness,Rockwell R	117	-	ASTM D 785
IMPACT	Value	Unit	Standard
Izod Impact,unnotched,23℃	163	cm-kgf/cm	ASTM D 4812
Izod Impact,notched,23℃	5	cm-kgf/cm	ASTM D 256
Modified Gardner,23℃	414	cm-kgf	ASTM D 3029
THERMAL	Value	Unit	Standard
HDT,0.45 MPa,6.4 mm,unannealed	154	℃	ASTM D 648
HDT,1.82 MPa,6.4 mm,unannealed	54	℃	ASTM D 648
CTE,-40℃ to 40℃,flow	8.1E-05	1/℃	ASTM E 831
CTE,60℃ to 138℃,flow	1.39E-04	1/℃	ASTM E 831
PHYSICAL	Value	Unit	Standard
Specific Gravity	1.31	-	ASTM D 792
Specific Volume	0.76	cm³/g	ASTM D 792
Water Absorption,24 hours	0.08	%	ASTM D 570
Mold Shrinkage,flow,0.75-2.3 mm(5)	0.9-1.6	%	SABIC Method
Mold Shrinkage,flow,2.3-4.6 mm(5)	1.5-2.3	%	SABIC Method
Mold Shrinkage,xflow,0.75-2.3 mm(5)	1-1.7	%	SABIC Method
Mold Shrinkage,xflow,2.3-4.6 mm(5)	1.6-2.4	%	SABIC Method
ELECTRICAL	Value	Unit	Standard
Volume Resistivity	>4.E+16	Ohm-cm	ASTM D 257
Dielectric Strength,in air,3.2 mm	15.7	kV/mm	ASTM D 149
Dielectric Strength,in oil,1.6 mm	23.2	kV/mm	ASTM D 149
Relative Permittivity,100 Hz	3.3	-	ASTM D 150
Relative Permittivity,1 MHz	3.1	-	ASTM D 150
Dissipation Factor,100 Hz	0.002	-	ASTM D 150
Dissipation Factor,1 MHz	0.02	-	ASTM D 150
Injection Molding	Value		Unit
Drying Temperature	120		℃
Drying Time	3-4		hrs
Drying Time(Cumulative)	12		hrs
Maximum Moisture Content	0.02		%
Melt Temperature	245-260		℃
Nozzle Temperature	240-255		℃
Front-Zone 3 Temperature	245-260		℃
Middle-Zone 2 Temperature	240-255		℃
Rear-Zone 1 Temperature	230-250		℃
Mold Temperature	50-75		℃
Back Pressure	0.3-0.7		MPa
Screw Speed	50-100		rpm
Shot to Cylinder Size	40-80		%
Vent Depth	0.013-0.025		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.