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This is the free Material Data Center Datasheet of CELANEX® 2300 GV1/30 - PBT-GF30 - Celanese

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材料文字说明
Chemical abbreviation according to ISO 1043-1: PBT Moulding compound ISO 7792- PBT, MGHR, 08-100N, GF30 Polybutylene terephthalate, 30 % glass fibre reinforced. Flammability UL 94 HB minimum thickness 1.2 mm. Recognition by Underwriters Laboratories, USA (UL)

Flammability @3.2mm nom. thickn.HB-
Flammability @1.6mm nom. thickn.HB-
Flammability at thickness h (1 mm)HBUL recognition (h)
加工/物理特性价值单位Test Standard
ISO数据
熔体体积流动速度, MVR 9 cm³/10min ISO 1133
温度 250 °C -
载荷 2.16 kg -
模塑收缩率, 平行 0.3 % ISO 294-4, 2577
模塑收缩率, 垂直 1.1 % ISO 294-4, 2577
熔体密度 1320 kg/m³ -
熔体 0.166 W/(m K) -
熔体的比热 1720 J/(kg K) -
喷射温度 220 °C -
机械性能价值单位Test Standard
ISO数据
拉伸模量 10300 MPa ISO 527
断裂应力 150 MPa ISO 527
断裂伸长率 2.5 % ISO 527
无缺口简支梁冲击强度, +23°C 60 kJ/m² ISO 179/1eU
简支梁冲击强度, -30°C 60 kJ/m² ISO 179/1eU
简支梁缺口冲击强度, +23°C 9.5 kJ/m² ISO 179/1eA
简支梁缺口冲击强度, -30°C 9 kJ/m² ISO 179/1eA
热性能价值单位Test Standard
ISO数据
熔融温度, 10°C/min 225 °C ISO 11357-1/-3
热变形温度, 1.80 MPa 210 °C ISO 75-1/-2
热变形温度, 0.45 MPa 225 °C ISO 75-1/-2
维卡软化温度, B 220 °C ISO 306
线性热膨胀系数, 平行 25 E-6/K ISO 11359-1/-2
1.5mm名义厚度时的燃烧性 HB class IEC 60695-11-10
测试用试样的厚度 1.5 mm -
厚度为h时的燃烧性 HB class IEC 60695-11-10
测试用试样的厚度 1.0 mm -
Yellow Card 现存 是的 - -
燃烧性-氧指数 20 % ISO 4589-1/-2
电性能价值单位Test Standard
ISO数据
相对介电常数., 100Hz 4.4 - IEC 62631-2-1
相对介电常数., 1MHz 4.3 - IEC 62631-2-1
介质损耗因子, 100Hz 20 E-4 IEC 62631-2-1
介质损耗因子, 1MHz 190 E-4 IEC 62631-2-1
体积电阻率 >1E13 Ohm*m IEC 62631-3-1
表面电阻率 >1E15 Ohm IEC 62631-3-2
介电强度 33 kV/mm IEC 60243-1
其它性能价值单位Test Standard
吸水性 0.4 % 类似ISO 62
吸湿性 0.15 % 类似ISO 62
密度 1550 kg/m³ ISO 1183
加工推荐(注塑)价值单位Test Standard
预干燥-温度 120 - 140 °C -
预干燥-时间 2 - 4 h -
加工湿度 ≤0.02 % -
注塑熔体温度 260 - 270 °C -
模具温度 75 - 85 °C -
函数
粘度-剪切速度 , CELANEX® 2300 GV1/30, PBT-GF30, Celanese
剪切应力-剪切速度 , CELANEX® 2300 GV1/30, PBT-GF30, Celanese
动态剪切模量-温度 , CELANEX® 2300 GV1/30, PBT-GF30, Celanese
应力-应变.  , CELANEX® 2300 GV1/30, PBT-GF30, Celanese
正割模量-应变.  , CELANEX® 2300 GV1/30, PBT-GF30, Celanese
应力-应变(等时的) 100°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
蠕变模量-时间. 100°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
蠕变曲线 100°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
应力-应变(等时的) 23°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
蠕变模量-时间. 23°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
蠕变曲线 23°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
应力-应变(等时的) 60°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
蠕变模量-时间. 60°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
蠕变曲线 60°C, CELANEX® 2300 GV1/30, PBT-GF30, Celanese
典型数据
加工方法
注塑
供货形式
粒料
添加剂
脱模助剂
特殊性能
经热稳处理的/耐热的
地区供应
北美, 欧洲
其他信息
注塑成型
To avoid hydrolytic degradation during processing, CELANEX resins have to be dried to a moisture level equal to or less than 0,02%. The drying should be done in a dry-air dryer (dew point < -30°C) with a temperature of 120 to 140 °C and a drying time of 2 to 4 hours. In case of longer residence times in the dry-air dryer, the temperature should be reduced to 100°C.
The time between drying and processing should be kept as short as possible. The processing machine feed hopper should be closed during the processing operation.
Melt Temperature 260-270 °C
Mold Temperature *) 75-85 °C
Maximum Barrel Residence Time **) 5-10 min
Injection Speed fast
Peripheral screw speed max.0,3 m/sec
Back Pressure 10-30 bar
Injection Pressure 600-1000 bar
Holding Pressure 400-800 bar
Nozzle Design open design preferred

Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided. For grades containing flame retardants, a maximum temperature of 265 °C should not be exceeded. Up to 25% clean and dry regrind may be used.

Celanese recommends only externally heated hot runner systems.

*) For moulded parts with especially high requirements to the surface quality or dimensional stability, a mold temperature of up to 110 °C can be advantageous.

**) If the cylinder temperatures are higher than the recommended maximum temperatures, the max. residence time in the barrel has to be reduced.
权利义务的法律声明
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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