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This is the free Material Data Center Datasheet of Ultraform® N2770 K AT - POM - BASF

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Processing/Physical Characteristics - 기계적 특성 - 열적 특성 - 전기적 특성 - 기타 특성 - Processing Recommendation Injection Molding
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제품 설명서
Injection molding grade with enhanced wear behavior for sliding parts.

Abbreviated designation according to ISO 1043-1: POM
Designation according to ISO 29988-POM-K,,M-GNRS2,3-2
Processing/Physical Characteristics값단위시험규격
ISO 데이터
용융 부피 - 흐름 속도, MVR 7.5 cm³/10min ISO 1133
온도 190 °C -
하중 2.16 kg -
성형 수축률, 평행 2.1 % ISO 294-4, 2577
성형 수축률, 수직 2.1 % ISO 294-4, 2577
기계적 특성값단위시험규격
ISO 데이터
인장탄성률 2700 MPa ISO 527
항복강도 61 MPa ISO 527
항복변형률 9.5 % ISO 527
파단시 평균신율 26 % ISO 527
탄성변형률, 1000h 1400 MPa ISO 899-1
챠피 충격 강도 , +23°C 100 kJ/m² ISO 179/1eU
챠피 충격 강도, -30°C 100 kJ/m² ISO 179/1eU
챠피 노치드 충격 강도, +23°C 5 kJ/m² ISO 179/1eA
챠피 노치드 충격 강도, -30°C 4 kJ/m² ISO 179/1eA
열적 특성값단위시험규격
ISO 데이터
녹는점, 10°C/min 166 °C ISO 11357-1/-3
하중하에서의 변형온도, 1.80 MPa 90 °C ISO 75-1/-2
선형 열팽창 계수, 평행 110 E-6/K ISO 11359-1/-2
1.5mm 평균두께에서의 난연성 HB class IEC 60695-11-10
전기적 특성값단위시험규격
ISO 데이터
상대 유전뮬, 1MHz 3.8 - IEC 62631-2-1
소산 인자, 1MHz 50 E-4 IEC 62631-2-1
부피 저항 1E13 Ohm*m IEC 62631-3-1
표면 저항 1E13 Ohm IEC 62631-3-2
CTI 600 - IEC 60112
기타 특성값단위시험규격
물에서의 흡수성 0.9 % ISO 62와 유사
조건에서의 흡습성 0.2 % ISO 62와 유사
밀도 1430 kg/m³ ISO 1183
Processing Recommendation Injection Molding값단위시험규격
Pre-drying - Temperature 100 - 110 °C -
Pre-drying - Time 3 h -
Processing humidity ≤0.2 % -
용융수지온도 190 - 230 °C -
성형온도 60 - 120 °C -
특징
생산 공정
사출 성형
특성
Tribologic Grade, Copolymer
기타 정보
사E성
PROCESSING
injection molding, Melt temperature, range: 190 - 230 °C
injection molding, Mold temperature, range: 60 - 120 °C

Processing

Usual single-flighted three-section screws with an effective screw length of at least 15 D, better 20 - 23 D are suitable for the injection molding of Ultraform.

Pretreatment

Granules or pellets in original packaging can be processed without any special pretreatment. Granules or pellets which have become moist due to prolonged or incorrect storage (e.g. by formation of condensed water) must be dried in dehumidifying or recirculating air dryers for approx. 3 hours at about 100 - 110 °C. The moisture content should not exceed 0.2 %.


Postprocessing

If parts were produced at a comparatively low mold temperature (e.g. in order to obtain short cycle times) and must not change their geometry in use thermal postprocessing inducing dimensional changes by postcrystallization may be necessary. In such cases parts should be stored in an oven with recirculated air at temperatures of 100 - 130 °C until dimensions don't change significantly any further. The time needed for this has to be determined experimentally.
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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