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This is the free Material Data Center Datasheet of VANDAR® 2500 - PBT - Celanese

Material Data Center offers the following functions for VANDAR® 2500:
unit conversion, PDF datasheet print, comparison with other plastics, snap fit calculation, beam deflection calculation, CAE Interfaces

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Processing/Physical Characteristics - 기계적 특성 - 열적 특성 - 기타 특성
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Processing/Physical Characteristics값단위시험규격
ISO 데이터
성형 수축률, 평행 1.9 % ISO 294-4, 2577
성형 수축률, 수직 1.9 % ISO 294-4, 2577
기계적 특성값단위시험규격
ISO 데이터
인장탄성률 1450 MPa ISO 527
항복강도 35 MPa ISO 527
항복변형률 5 % ISO 527
파단시 평균신율 >50 % ISO 527
챠피 충격 강도 , +23°C 203 kJ/m² ISO 179/1eU
챠피 충격 강도, -30°C 168 kJ/m² ISO 179/1eU
챠피 노치드 충격 강도, +23°C 88 kJ/m² ISO 179/1eA
챠피 노치드 충격 강도, -30°C 9 kJ/m² ISO 179/1eA
열적 특성값단위시험규격
ISO 데이터
녹는점, 10°C/min 225 °C ISO 11357-1/-3
유리 전이 온도, 10 °C/min 70 °C ISO 11357-1/-2
하중하에서의 변형온도, 1.80 MPa 50 °C ISO 75-1/-2
하중하에서의 변형온도, 0.45 MPa 125 °C ISO 75-1/-2
선형 열팽창 계수, 평행 130 E-6/K ISO 11359-1/-2
선형 열팽창 계수, 수직 134 E-6/K ISO 11359-1/-2
기타 특성값단위시험규격
물에서의 흡수성 0.45 % ISO 62와 유사
밀도 1250 kg/m³ ISO 1183
특징
생산 공정
사출 성형
인도 유형
펠렛 (입자,알갱이)
부가물
윤활제
지역별 검색
쨘횕쩐횈쨍횧쨍짰횆짬, 짱쨌쨈, 쩐횈쩍횄쩐횈 횇횂횈챵쩐챌 횁철쩔짧, 쨀짼쨘횓 쨔횞 횁횩쩐횙 쩐횈쨍횧쨍짰횆짬, 쨉쩔쩐챌 쨔횞 쩐횈횉횁쨍짰횆짬 짹횢쩔짧
기타 정보
사E성
To avoid hydrolytic degradation during processing, Vandar 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 450-480(230-250) deg F (deg C)
Center Temperature 460-490(235-255) deg F (deg C)
Front Temperature 470-500(240-260) deg F (deg C)
Nozzle Temperature 470-510(240-265) deg F (deg C)
Melt Temperature 470-510(240-265) deg F (deg C)
Mold Temperature 100-200(40-95 deg F (deg C)
Back Pressure 0-50 psi
Screw Speed Moderate
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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