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Covestro Makrolon LED2245 low viscosity,easy release

Covestro Makrolon LED2245 low viscosity,easy release

Grades / Light guides
MVR (300 °C/1.2 kg) 34 cm³/10 min; light guides; optics and lenses; PC with highest transmission; low viscosity; easy release; injection molding - melt temperature 250 - 300 °C

Covestro Certified Supplier / Support Customized / Factory-Direct Supply

Makrolon LED2245_en

128.1KB

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General purpose

Key words:

Covestro 2245

Makrolon 2245

PC 2245

Characteristic

Low viscosity

Easy release

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	34
C	Molding shrinkage, parallel	60x60x2 mm/ 500 bar	%	ISO 294-4	0.65
C	Molding shrinkage, normal	60x60x2 mm/ 500 bar	%	ISO 294-4	0.7

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	2350
C	Yield stress	50 mm/min	MPa	ISO 527-1,-2	63
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	60
	Stress at break	50 mm/min	kJ/m²	b.o. ISO 527-1,-2	125
	Flexural modulus	2 mm/min	MPa	ISO 178	2350
	Flexural strength	2 mm/min	MPa	ISO 178	97
	Flexural strain at flexural strength	2 mm/min	%	ISO 178	7.1
	Flexural stress at 3.5 % strain	2 mm/min	MPa	ISO 178	73
C	Charpy impact strength	23 °C	kJ/m²	ISO 179/1eU	N
C	Charpy impact strength	-30 °C	kJ/m²	ISO 179/1eU	N
	Charpy impact strength	-60 °C/	kJ/m²	ISO 179/1eU	N
	Charpy notched impact strength	23 °C/3mm	kJ/m²	ISO 21305/based on ISO 179/1eA	60P(C)
	Charpy notched impact strength	-30°C/3mm	kJ/m²	ISO 21305/based on ISO 179/1eA	12C
	Izod notched impact strength	23 °C/3mm	kJ/m²	ISO 21305/based on ISO 180/A	55P
	Izod notched impact strength	-30 °C/3mm	kJ/m²	ISO 21305/based on ISO 180/A	12C
C	Puncture impact properties - maximum force	23 °C	N	ISO 6603-2	4900
C	Puncture impact properties - maximum force	-30 °C	N	ISO 6603-2	5900
C	Puncture energy	23 °C	J	ISO 6603-2	55
C	Puncture energy	-30 °C	J	ISO 6603-2	60
	Ball indentation hardness		N/mm²	ISO 2039-1	115

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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