Shanghai Langqi Plastic Materials Co., Ltd.

Makrolon® 3208

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon 3208
Product Quantity: 25KG / BAG
Product Features: Biocompatible、Ethylene Oxide Sterilizable、High Viscosity、Steam Sterilizable

Product information

Makrolon® 3208

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300°C/1.2 kg) 5.0 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121°C; biocompatible according to many ISO 10993-1 test requirements; high viscosity; injection molding - melt temperature 280 - 320°C; available in transparent and opaque colors

Features	Biocompatible，Ethylene Oxide Sterilizable， High Viscosity，Steam Sterilizable
Uses	Medical Devices，Medical/Healthcare Applications
Agency Ratings	ISO 10993-Part 1
RoHS Compliance	RoHS Compliant
Appearance	Clear/Transparent，Colors Available，Opaque
Processing Method	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) Shear Modulus vs. Temperature (ISO 11403-1) Specific Volume vs Temperature (ISO 11403-2) Viscosity vs. Shear Rate (ISO 11403-2)

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.20	g/cm³	ISO 1183
Apparent (Bulk) Density 3	0.66	g/cm³	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	5.5	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	0.305	in³/10min	ISO 1133
Molding Shrinkage
Across Flow	0.60 to 0.80	%	ISO 2577
Flow	0.60 to 0.80	%	ISO 2577
Across Flow : 536°F, 0.0787 in 4	0.75	%	ISO 294-4
Flow : 0.0787 in 4	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	16100	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	341000	psi	ISO 527-2/1
Tensile Stress			ISO 527-2/50
Yield, 73°F	9430	psi
Break, 73°F	10900	psi
Tensile Strain			ISO 527-2/50
Yield, 73°F	6.3	%
Break, 73°F	120	%
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2/50
Tensile Creep Modulus			ISO 899-1
1 hr	319000	psi
1000 hr	276000	psi
Flexural Modulus 5 (73°F)	341000	psi	ISO 178
Flexural Stress 5			ISO 178
73°F	13800	psi
3.5% Strain, 73°F	10400	psi
Flexural Strain at Flexural Strength 6 (73°F)	7.2	%	ISO 178
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 7, 8			ISO 7391
-22°F, Complete Break	8.6	ft·lb/in²
73°F, Partial Break	38	ft·lb/in²
Charpy Unnotched Impact Strength			ISO 179/1eU
-76°F	No Break
-22°F	No Break
73°F	No Break
Notched Izod Impact Strength 9, 8			ISO 7391
-22°F, Complete Break	9.5	ft·lb/in²
73°F	36	ft·lb/in²
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	55.3	ft·lb
73°F	47.9	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1510	lbf
73°F	1300	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	288	°F	ISO 75-2/B
264 psi, Unannealed	266	°F	ISO 75-2/A
Glass Transition Temperature 10	302	°F	ISO 11357-2
Vicat Softening Temperature
--	302	°F	ISO 306/B50
--	304	°F	ISO 306/B120
Ball Pressure Test (286°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 11 (73°F)	1.4	Btu·in/hr/ft²/°F	ISO 8302

Flammability	Nominal Value	Unit	Test Method
Oxygen Index 12	27	%	ISO 4589-2
Flash Ignition Temperature	896	°F	ASTM D1929
Self Ignition Temperature	1022	°F	ASTM D1929

Optical	Nominal Value	Unit	Test Method
Refractive Index 13	1.587		ISO 489
Transmittance			ISO 13468-2
39.4 mil	89.0	%
78.7 mil	89.0	%
118 mil	88.0	%
157 mil	87.0	%
Haze (118 mil)	< 0.80	%	ISO 14782

Additional Information	Nominal Value		Test Method
ISO Shortname	PC,M,(,,)-05-9		ISO 7391

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Makrolon® 3208

Products are widely used in plastic modification, automotive, construction, electrical and electronic, industrial, daily necessities and other fields

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