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Makrolon? 8345

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon 8345
Product Quantity: 25KG / BAG
Product Features: Good Mold Release、High Viscosity

Product information

Makrolon? 8345

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300 °C/1.2 kg) 3.0 cm3/10 min; 35 % glass fiber reinforced; high viscosity; easy release; injection molding - melt temperature 310 - 330 °C; extrusion; available in opaque colors only

Filler / Reinforcement	Glass Fiber, 35% Filler by Weight
Features	Good Mold Release，High Viscosity
RoHS Compliance	RoHS Compliant
Appearance	Colors Available，Opaque
Processing Method	Extrusion，Injection Molding
Multi-Point Data	Creep Modulus vs. Time (ISO 11403-1) Isochronous Stress vs. Strain (ISO 11403-1) Isothermal Stress vs. Strain (ISO 11403-1) Secant Modulus vs. Strain (ISO 11403-1) Viscosity vs. Shear Rate (ISO 11403-2)

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.48	g/cm3	ISO 1183
Apparent (Bulk) Density 3	0.67	g/cm3	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	3.5	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	0.183	in3/10min	ISO 1133
Molding Shrinkage			ISO 2577
Across Flow	0.30 to 0.50	%
Flow	0.30 to 0.50	%
Water Absorption			ISO 62
Saturation, 73°F	0.20	%
Equilibrium, 73°F, 50% RH	0.10	%
Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness	25400	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	1.36E+6	psi	ISO 527-2/1
Tensile Stress
Yield, 73°F	16400	psi	ISO 527-2/50
Break, 73°F	16000	psi	ISO 527-2/5
Tensile Strain
Yield, 73°F	1.9	%	ISO 527-2/50
Break, 73°F	1.8	%	ISO 527-2/5
Tensile Creep Modulus			ISO 899-1
1 hr	1.31E+6	psi
1000 hr	1.23E+6	psi
Flexural Modulus 4 (73°F)	1.25E+6	psi	ISO 178
Flexural Stress 4 (73°F)	24700	psi	ISO 178
Flexural Strain at Flexural Strength 5 (73°F)	2.5	%	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 6 (73°F, Complete Break)	3.8	ft·lb/in2	ISO 7391
Charpy Unnotched Impact Strength			ISO 179/1eU
-22°F, Complete Break	21	ft·lb/in2
73°F, Complete Break	19	ft·lb/in2
Notched Izod Impact Strength 7 (73°F, Complete Break)	3.8	ft·lb/in2	ISO 7391
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	3.69	ft·lb
73°F	3.69	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	202	lbf
73°F	202	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	291	°F	ISO 75-2/B
264 psi, Unannealed	284	°F	ISO 75-2/A
Vicat Softening Temperature
--	298	°F	ISO 306/B50
--	300	°F	ISO 306/B120
Ball Pressure Test (277°F)	Pass		IEC 60695-10-2
CLTE			ISO 11359-2
Flow : 73 to 131°F	1.1E-5	in/in/°F
Transverse : 73 to 131°F	3.3E-5	in/in/°F
Thermal Conductivity 8 (73°F)	1.7	Btu·in/hr/ft2/°F	ISO 8302
RTI Elec (0.06 in)	257	°F	UL 746
RTI Imp (0.06 in)	239	°F	UL 746
RTI Str (0.06 in)	257	°F	UL 746

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Makrolon? 8345

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