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CELCON MC270|POM-MD|Ticona

Product TextsCelcon? MC270 is a mineral coupled acetal copolymer designed for

流變性能(Rheological properties)	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
成型收縮(Molding shrinkage) (parallel)	1.9	%	ISO 294-4, 2577
成型收縮(Molding shrinkage) (normal)	1.6	%	ISO 294-4, 2577

機械性能(機械性能(Mechanical properties))	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
拉伸模量(Tensile Modulus)	3150	MPa	ISO 527-1/-2
簡支梁缺口沖擊強度(Charpy notched impact strength) (+23°C)	5.4	kJ/m2	ISO 179/1eA
簡支梁缺口沖擊強度(Charpy notched impact strength) (-30°C)	4.5	kJ/m2	ISO 179/1eA

熱性能(熱性能(Thermal properties))	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
熔化溫度(熔化溫度(Melting temperature)) (10°C/min)	165	°C	ISO 11357-1/-3
溫度負荷變形(Temp. of deflection under load) (1.80 MPa)	101	°C	ISO 75-1/-2
維卡軟化溫度（50℃/ h的50N）Vicat softening temperature	161	°C	ISO 306
COEFF線性熱(Coeff. of linear therm. expansion) (parallel)	100	E-6/K	ISO 11359-1/-2
COEFF線性熱(Coeff. of linear therm. expansion) (normal)	120	E-6/K	ISO 11359-1/-2

其他屬性(Other properties)	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
吸水率(Water absorption)	0.75	%	Sim. to ISO 62
吸濕性(Humidity absorption)	0.2	%	Sim. to ISO 62
密度(Density)	1480	kg/m3	ISO 1183

Test specimen production	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
Processing conditions acc. ISO	9990	-	ISO ....-2
Injection Molding, melt temperature	205	°C	ISO 294
Injection Molding, mold temperature	90	°C	ISO 10724
Injection Molding, injection velocity	200	mm/s	ISO 294
Injection Molding, pressure at hold	86	MPa	ISO 294

Diagrams Excessive moisture can lead to splay (silver streaking) in For better uniformity in molding especially when using Maximum water content = 0.35%35 Mpa/50 PSI) are favored. Using a low compression screw E. general purpose 2:1 compression ratio) can result in unmelted Using a high back pressure to make Melt 5 mm (0.060 in.). May Wall thickness greater ) may use a coole) may use a cold mold In general, mold surface temperatures It may DisclaimerCopyright M-Base Engineering+Software GmbH. M-Base Engineering + Software 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 M-Base; this is especially valid for claims of compensation resulting from consequential damages. M-Base 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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CELCON MC270|POM-MD|Ticona