Makroblend® KU2-7609
 
 
 

PC+PBT Blends, elastomer modified / Mineral filled		(PC+PBT)-blend, impact modified, Injection molding grade, 20% mineral filled
ISO Shortname		ISO 7792-1-PC/PBT,MHPR,-030,MD 20
	Property	Test Condition	Unit			Standard	typical Value
							-
Rheological properties
C	Melt volume-flow rate	260 °C; 5 kg	cm³/10 min			ISO 1133	11
	Molding shrinkage, parallel/normal	Value range based on general	%			b.o. ISO 2577	0,4 - 0,6
		practical experience (600bar)
	Post- shrinkage, parallel/normal	Value range based on general	%			b.o. ISO 2577	0,1 - 0,2
		practical experience (1h; 90°C)
Mechanical properties (23 °C/50 % r. h.)
C	Tensile modulus	1 mm/min	MPa			ISO 527-1,-2	3400
	Yield stress	5 mm/min	MPa			ISO 527-1,-2	50
	Yield strain	5 mm/min	%			ISO 527-1,-2	3.0
C	Stress at break	5 mm/min	MPa			ISO 527-1,-2	50
	Flexural modulus	2 mm/min	MPa			ISO 178	3400
	Flexural strain at flexural strength	2 mm/min	%			ISO 178	5.0
	Flexural stress at 3.5 % strain	2 mm/min	MPa			ISO 178	73
	Flexural strength	2 mm/min	MPa			ISO 178	75
	Izod impact strength	23 °C	kJ/m²			ISO 180-U	160
	Izod notched impact strength	23 °C	kJ/m²			ISO 180-A	20
	Ball indentation hardness		N/mm²			ISO 2039-1	90
Thermal properties
C	Melting temperature	10 °C/min	°C			ISO 11357-1,-3	221
C	Temperature of deflection under load	1.80 MPa	°C			ISO 75-1,-2	93
C	Temperature of deflection under load	0.45 MPa	°C			ISO 75-1,-2	106
	Vicat softening temperature	50 N; 120 °C/h	°C			ISO 306	120
C	Coefficient of linear thermal expansion, parallel	23 to 55 °C	10	-4	/K	ISO 11359-1,-2	0.7
C	Coefficient of linear thermal expansion, transverse	23 to 55 °C	10	-4	/K	ISO 11359-1,-2	0.7
C	Burning behavior UL 94 (1.5 mm)	1.6 mm	Class			UL 94	HB
C	Burning behavior UL 94	0.8 mm	Class			UL 94	HB
C	Oxygen index	Method A	%			ISO 4589-2	21
	Glow wire test (GWFI)	2.0 mm	°C			IEC 60695-2-12	800
	Burning rate (US-FMVSS)	>=1.0 mm	mm/min			ISO 3795	passed
Electrical properties (23 °C/50 % r. h.)
C	Relative permittivity	100 Hz	-			IEC 60250	3,2
C	Relative permittivity	1 MHz	-			IEC 60250	3,1
C	Dissipation factor	100 Hz	10	-4		IEC 60250	26
C	Dissipation factor	1 MHz	10-4			IEC 60250	95
C	Volume resistivity		Ohm·m			IEC 60093	>1E15
C	Surface resistivity		Ohm			IEC 60093	>1E17
C	Electrical strength	1 mm	kV/mm			IEC 60243-1	34
C	Comparative tracking index CTI	Solution A	Rating			IEC 60112	250
	Comparative tracking index CTI M	Solution B	Rating			IEC 60112	125
	Electrolytic corrosion		Rating			IEC 60426	A1
Other properties (23 °C)
C	Water absorption (saturation value)	Water at 23 °C	%			ISO 62	0.8
C	Water absorption (equilibrium value)	23 °C; 50 % r. h.	%			ISO 62	0.2
C	Density		kg/m³			ISO 1183-1	1300
	Bulk density		g/cm³			ISO 60	0,7
	Filler content	Method A	%			b.o. ISO 3451-1	20

	Property	Test Condition	Unit	Standard	typical Value
					-
Processing conditions for test specimens
C	Injection molding-Melt temperature		°C	ISO 294	260
C	Injection molding-Mold temperature		°C	ISO 294	70
C	Injection molding-Injection velocity		mm/s	ISO 294	200

 
 
C These property characteristics are taken from the CAMPUS plastics data bank and are based on the international catalogue of basic data for plastics according to ISO 10350.
 
Impact properties: N = non-break, P = partial break, C = complete break