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This is the free Material Data Center Datasheet of CELANEX® 2302 GV1/30LT ED4868 Black - (PBT+PET)-GF30 - Celanese

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Processing/Physical Characteristics단위시험규격
ISO 데이터
용융 부피 - 흐름 속도, MVR 16 cm³/10min ISO 1133
온도 265 °C -
하중 2.16 kg -
기계적 특성단위시험규격
ISO 데이터
인장탄성률 10200 MPa ISO 527
파단시 강도 150 MPa ISO 527
파단시 신율 2.5 % ISO 527
챠피 충격 강도 , +23°C 55 kJ/m² ISO 179/1eU
챠피 충격 강도, -30°C 51 kJ/m² ISO 179/1eU
챠피 노치드 충격 강도, +23°C 10 kJ/m² ISO 179/1eA
챠피 노치드 충격 강도, -30°C 10 kJ/m² ISO 179/1eA
열적 특성단위시험규격
ISO 데이터
하중하에서의 변형온도, 1.80 MPa 204 °C ISO 75-1/-2
하중하에서의 변형온도, 0.45 MPa 222 °C ISO 75-1/-2
기타 특성단위시험규격
밀도 1550 kg/m³ ISO 1183
특징
생산 공정
사출 성형
인도 유형
펠렛 (입자,알갱이), 검정
부가물
이형제
지역별 검색
쩐횈쩍횄쩐횈 횇횂횈챵쩐챌 횁철쩔짧
기타 정보
사E성

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 255-275 °C
Mold Temperature *) 80-100 °C
Maximum Barrel Residence Time **) 5-10 min
Injection Speed medium-fast
Holding Pressure  1000bar
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.

Fast fill rates are recommended to ensure uniform melt delivery to the cavity and prevent premature freezing. Surface appearance is directly affected by injection rate.

Celanese recommends only externally heated hot runner systems.

*) This product can be processed over mold temperatures of 60-100°C (140-212°F); however, for optimizing surface appearance, dimensional stability and part performance, mold surface temperatures of at least 80°C (176°F) are preferred. For moulded parts with especially high requirements to the surface quality or dimensional stability, a mold temperature of up to 100 °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.
Disclaimer
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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