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Makrolon? Rx1851

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon Rx1851
Product Quantity: 25KG / BAG
Product Features: Good Mold Release，Low Viscosity

Product information

Makrolon? Rx1851

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300°C/1.2 kg) 23 cm3/10 min; medical devices; low viscosity; easy release; injection molding - melt temperature 280 - 320°C

Features	Good Mold Release，Low Viscosity
Uses	Medical Devices，Medical/Healthcare Applications
RoHS Compliance	RoHS Compliant
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.20	g/cm3	ISO 1183
Apparent (Bulk) Density 2	0.66	g/cm3	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	24	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	1.40	in3/10min	ISO 1133
Molding Shrinkage
Across Flow	0.50 to 0.70	%	ISO 2577
Flow	0.50 to 0.70	%	ISO 2577
Across Flow : 536°F, 0.0787 in 3	0.70	%	ISO 294-4
Flow : 536°F, 0.0787 in 3	0.70	%	ISO 294-4
Water Absorption			ISO 62
Saturation, 73°F	0.30	%
Equilibrium, 73°F, 50% RH	0.12	%
Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness	17000	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	348000	psi	ISO 527-2/1
Tensile Stress
Yield, 73°F	> 7250	psi	ISO 527-2/5
Yield, 73°F	9430	psi	ISO 527-2/50
Break, 73°F	10200	psi	ISO 527-2/50
Tensile Strain			ISO 527-2/50
Yield, 73°F	6.0	%
Break, 73°F	120	%
Flexural Modulus 4 (73°F)	348000	psi	ISO 178
Flexural Stress 4			ISO 178
73°F	14200	psi
3.5% Strain, 73°F	11000	psi
Flexural Strain at Flexural Strength 5 (73°F)	6.8	%	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Unnotched Impact Strength			ISO 179/1eU
-22°F	No Break
73°F	No Break
Notched Izod Impact Strength 6, 7			ISO 7391
-22°F, Complete Break	5.7	ft·lb/in2
73°F	31	ft·lb/in2
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	47.9	ft·lb
73°F	40.6	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1390	lbf
73°F	1170	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	273	°F	ISO 75-2/B
264 psi, Unannealed	250	°F	ISO 75-2/A
Vicat Softening Temperature
--	286	°F	ISO 306/B50
--	288	°F	ISO 306/B120
Ball Pressure Test (275°F)	Pass		IEC 60695-10-2
CLTE			ISO 11359-2
Flow : 73 to 131°F	3.6E-5	in/in/°F
Transverse : 73 to 131°F	3.6E-5	in/in/°F
Thermal Conductivity 8 (73°F)	1.4	Btu·in/hr/ft2/°F	ISO 8302

Flammability	Nominal Value	Unit	Test Method
Oxygen Index 9	27	%	ISO 4589-2
Flash Ignition Temperature	896	°F	ASTM D1929
Self Ignition Temperature	1022	°F	ASTM D1929

Additional Information	Nominal Value		Test Method
ISO Shortname	PC,MR(..)-24-9		ISO 7391

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Makrolon? Rx1851

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