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This is the free Material Data Center Datasheet of CELANEX® 3309HR - PBT-GF30 - Celanese

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加工/物理特性 - 机械性能 - 热性能 - 电性能 - 其它性能 - 加工推荐（注塑）
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材料文字说明
Celanex 3309HR is a non-lubricated, 30% fiberglass reinforced Polybutylene Terephthalate which has excellent hydrolysis resistance, mechanical properties and processability.

Flammability at thickness h (0.71 mm)HB-
加工/物理特性价值单位Test Standard
ISO数据
模塑收缩率, 平行 0.5 % ISO 294-4, 2577
模塑收缩率, 垂直 0.9 % ISO 294-4, 2577
机械性能价值单位Test Standard
ISO数据
拉伸模量 9200 MPa ISO 527
断裂应力 139 MPa ISO 527
断裂伸长率 2.7 % ISO 527
无缺口简支梁冲击强度, +23°C 46 kJ/m² ISO 179/1eU
简支梁冲击强度, -30°C 45 kJ/m² ISO 179/1eU
简支梁缺口冲击强度, +23°C 8.5 kJ/m² ISO 179/1eA
简支梁缺口冲击强度, -30°C 8.5 kJ/m² ISO 179/1eA
肖氏硬度D 85 - ISO 7619-1
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
玻璃化转变温度, 10°C/min 60 °C ISO 11357-1/-2
热变形温度, 1.80 MPa 205 °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
线性热膨胀系数, 垂直 100 E-6/K ISO 11359-1/-2
厚度为h时的燃烧性 HB class IEC 60695-11-10
测试用试样的厚度 0.7 mm -
电性能价值单位Test Standard
ISO数据
相对介电常数., 100Hz 4.5 - IEC 62631-2-1
相对介电常数., 1MHz 4.1 - IEC 62631-2-1
介质损耗因子, 100Hz 22 E-4 IEC 62631-2-1
介质损耗因子, 1MHz 160 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 31 kV/mm IEC 60243-1
其它性能价值单位Test Standard
吸湿性 0.16 % 类似ISO 62
密度 1540 kg/m³ ISO 1183
加工推荐（注塑）价值单位Test Standard
预干燥-温度 121 °C -
预干燥-时间 4 h -
加工湿度 ≤0.02 % -
注塑熔体温度 235 - 260 °C -
模具温度 65 - 93 °C -
典型数据
加工方法
注塑
供货形式
粒料
耐化学试剂
水解稳定
地区供应
北美, 欧洲, 亚太, 中南美洲, 中东/非洲
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%. Drying should be done in a dehumidifying hopper dryer capable of dewpoints <-30°F (-34°C) at 250°F (121°C) for 4 hours.
Rear Temperature 450-470(230-240) deg F (deg C)
Center Temperature 460-480(235-250) deg F (deg C)
Front Temperature 470-500(240-260) deg F (deg C)
Nozzle Temperature 480-500(250-260) deg F (deg C)
Melt Temperature 460-500(235-260) deg F (deg C)
Mold Temperature 150-200(65-93) deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Medium
Injection Speed Fast

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, in particular for flame retardant grades. Up to 25% clean and dry regrind may be used.
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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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