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Product TextsInjection molding grade with 20 % glass fibers for industrial parts with excellent surface quality, for example external door handles in vehicles, visible sunroof frames, oven door handles, toaster casings, external mirrors, rear screen wiper arms in vehicles and sunroof wind deflectors. Formerly called KR 4040 G4.16	kg	ISO 1133
成型收縮(Molding shrinkage) (parallel)	0.4	%	ISO 294-4, 2577
成型收縮(Molding shrinkage) (normal)	0.9	%	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)	7500	MPa	ISO 527-1/-2
破壞時應變(Stress at break)	120	MPa	ISO 527-1/-2
破壞時應變(Strain at break)	2.8	%	ISO 527-1/-2
簡支梁沖擊強度(Charpy impact strength) (+23°C)	40	kJ/m2	ISO 179/1eU
簡支梁沖擊強度(Charpy impact strength) (-30°C)	40	kJ/m2	ISO 179/1eU
簡支梁缺口沖擊強度(Charpy notched impact strength) (+23°C)	6	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)	235	°C	ISO 11357-1/-3
溫度負荷變形(Temp. of deflection under load) (1.80 MPa)	180	°C	ISO 75-1/-2
溫度負荷變形(Temp. of deflection under load) (0.45 MPa)	215	°C	ISO 75-1/-2
COEFF線性熱(Coeff. of linear therm. expansion) (parallel)	25	E-6/K	ISO 11359-1/-2
燃燒性(球壓痕硬度(Burning behav)). at 1.5 mm nom. thickn.	HB	class	IEC 60695-11-10
厚度測試(Thickness tested)	1.6	mm	IEC 60695-11-10
UL 識別(recognition)	UL	-	-
燃燒性(球壓痕硬度(Burning behav)). at thickness h	HB	class	IEC 60695-11-10
厚度測試(Thickness tested)	0.8	mm	IEC 60695-11-10
UL 識別(recognition)	UL	-	-

電氣性能(Electrical properties)	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
相對介電常數(Relative permittivity) (100Hz)	3.7	-	IEC 60250
相對介電常數(Relative permittivity) (1MHz)	3.5	-	IEC 60250
耗散因數(耗散因數(Dissipation factor)) (100Hz)	14	E-4	IEC 60250
耗散因數(耗散因數(Dissipation factor)) (1MHz)	180	E-4	IEC 60250
體積電阻率(Volume resistivity)	>1E13	Ohm*m	IEC 60093
表面電阻率(Surface resistivity)	>1E15	Ohm	IEC 60093
電氣強度(Electric strength)	36	kV/mm	IEC 60243-1
相比漏電起痕指數(Comparative tracking index)	300	-	IEC 60112

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)	0.4	%	Sim. to ISO 62
吸濕性(Humidity absorption)	0.2	%	Sim. to ISO 62
密度(Density)	1470	kg/m3	ISO 1183

材料特殊性能(Material specific properties)	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
粘數(Viscosity number)	105	cm3/g	ISO 307, 1157, 1628

流變計算屬性(Rheological calculation properties)	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
密度(Density) of melt	1240	kg/m3	-
熔體熱導率(Thermal conductivity of melt)	0.175	W/(m K)	-
規格的熱容融化(Spec. heat capacity of melt)	1880	J/(kg K)	-
噴射溫度(Ejection temperature)	170	°C	-

Test specimen production	值(Value)	單位(Unit)	測試標準(Test Standard)
ISO數據(ISO數據(CAMPUS/ISO) Data)
Injection Molding, melt temperature	270	°C	ISO 294
Injection Molding, mold temperature	80	°C	ISO 10724
Injection Molding, injection velocity	200	mm/s	ISO 294

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Ultradur? B 4040 G4|(PBT+PET)-GF20|BASF