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This is the free Material Data Center Datasheet of CELANEX® 3202-2 - PBT - Celanese

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Processing/Physical Characteristics - 기계적 특성 - 열적 특성 - 기타 특성 - Processing Recommendation Injection Molding
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Processing/Physical Characteristics값단위시험규격
ISO 데이터
성형 수축률, 평행 0.6 % ISO 294-4, 2577
기계적 특성값단위시험규격
ISO 데이터
파단시 강도 115 MPa ISO 527
파단시 신율 3.2 % ISO 527
열적 특성값단위시험규격
ISO 데이터
녹는점, 10°C/min 225 °C ISO 11357-1/-3
기타 특성값단위시험규격
조건에서의 흡습성 0.1 % ISO 62와 유사
밀도 1450 kg/m³ ISO 1183
Processing Recommendation Injection Molding값단위시험규격
Pre-drying - Temperature 121 °C -
Pre-drying - Time 4 h -
Processing humidity ≤0.02 % -
용융수지온도 235 - 260 °C -
성형온도 65 - 93 °C -
특징
생산 공정
사출 성형
부가물
이형제
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%. 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.
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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