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Covestro PC Makrolon 1248 food contact quality,medium viscosity,impact modified

Covestro PC Makrolon 1248 food contact quality,medium viscosity,impact modified

Food contact grades / Medium viscosity
MVR (300 °C/1.2 kg) 7.0 cm³/10 min; food contact quality; medium viscosity; impact modified; injection molding - melt temperature 280 - 320 °C; available in light colors only

Covestro Certified Supplier / Support Customized / Factory-Direct Supply

Makrolon 1248

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Key words:

Covestro 1248

Makrolon 1248

PC 1248

Characteristic

Food contact quality

Medium viscosity

Impact modified

Main physical property

Rheological properties

Property		Test Condition	Unit	Standard	typical Value
C	Melt volume-flow rate	300 °C/ 1.2 kg	cm³/10 min	ISO 1133	7.0
	Melt mass-flow rate	300 °C/ 1.2 kg	g/10 min	ISO 1133	7.5
C	Molding shrinkage, parallel	60x60x2 mm/ 500 bar	%	ISO 294-4	0.75
C	Molding shrinkage, normal	60x60x2 mm/ 500 bar	%	ISO 294-4	0.8
	Molding shrinkage, parallel/normal	Value range based on general practical experience	%	b.o. ISO 2577	0.6-0.8

Mechanical properties (23 °C/50 % r. h.)

Property		Test Condition	Unit	Standard	typical Value
C	Tensile modulus	1 mm/min	MPa	ISO 527-1,-2	2250
C	Yield stress	50 mm/min	MPa	ISO 527-1,-2	61
C	Yield stress	50 mm/min	%	ISO 527-1,-2	6.0
C	Nominal strain at break	50 mm/min	%	ISO 527-1,-2	>50
	Stress at break	50 mm/min	kJ/m²	ISO 527-1,-2	70
	Stress at break	50 mm/min	kJ/m²	b.o. ISO 527-1,-2	130
	Flexural modulus	2 mm/min	MPa	ISO 178	2250
	Flexural strength	2 mm/min	MPa	ISO 178	88
	Flexural strain at flexural strength	2 mm/min	%	ISO 178	6.8
	Flexural stress at 3.5 % strain	2 mm/min	MPa	ISO 178	68
C	Charpy impact strength	23 °C	kJ/m²	ISO 179/1eU	N
	Charpy impact strength	-30 °C/	kJ/m²	ISO 179/1eU	N
	Charpy notched impact strength	23 °C/3mm	kJ/m²	ISO 21305/based on ISO 180/A	70P
	Charpy notched impact strength	-30 °C/3mm	kJ/m²	ISO 21305/based on ISO 180/A	60P(°C)
	Izod notched impact strength	23 °C/3mm	kJ/m²	ISO 21305/based on ISO 180/A	65P
	Izod notched impact strength	-30 °C/3mm	kJ/m²	ISO 21305/based on ISO 180/A	30C(P)
C	Puncture impact properties - maximum force	23 °C	N	ISO 6603-2	5200
C	Puncture impact properties - maximum force	-30 °C	N	ISO 6603-2	6100
C	Puncture energy	23 °C	J	ISO 6603-2	55
C	Puncture energy	-30 °C	J	ISO 6603-2	60
	Ball indentation hardness		J	ISO 2039-1	60

Resins wholesale，Factory-Direct supply，Certified supplier
Main Product: PC,PC/ABS,PC/PET,PC/PBT
Customized Services: Modified, Color matching, Production technical support
Several Warehouse: Guang zhou, Dong guan, Shen zhen, Hong kong

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