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This is the free Material Data Center Datasheet of CELANEX® PBT 357 FR - PBT - Celanese

Material Data Center offers the following functions for CELANEX® PBT 357 FR:
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加工/物理特性 - 机械性能 - 热性能 - 其它性能
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加工/物理特性价值单位Test Standard
ISO数据
熔体体积流动速度, MVR 0.8 cm³/10min ISO 1133
温度 250 °C -
载荷 2.16 kg -
模塑收缩率, 平行 0.7 % ISO 294-4, 2577
模塑收缩率, 垂直 0.6 % ISO 294-4, 2577
机械性能价值单位Test Standard
ISO数据
拉伸模量 1981 MPa ISO 527
屈服应力 47 MPa ISO 527
屈服伸长率 4.9 % ISO 527
无缺口简支梁冲击强度, +23°C N kJ/m² ISO 179/1eU
简支梁缺口冲击强度, +23°C 17 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
热变形温度, 1.80 MPa 94 °C ISO 75-1/-2
热变形温度, 0.45 MPa 105 °C ISO 75-1/-2
维卡软化温度, B 113 °C ISO 306
其它性能价值单位Test Standard
密度 1280 kg/m³ ISO 1183
典型数据
加工方法
注塑
供货形式
粒料
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 480-520(249-271) deg F (deg C)
Center Temperature 480-530(249-276) deg F (deg C)
Front Temperature 480-530(249-276) deg F (deg C)
Nozzle Temperature 480-530(249-276) deg F (deg C)
Melt Temperature 480-520(249-271) deg F (deg C)
Mold Temperature 80-180(27-82) deg F (deg C)
Back Pressure 50-100 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.
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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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