Makrolon® 2858 Datasheet

Polycarbonate

Supplied by Covestro - Polycarbonates

Create your free Prospector account to view this complete product datasheet. A free account includes access to hundreds of thousands of detailed technical datasheets. Create Your Free Account
Product Description
MVR (300°C/1.2 kg) 9.0 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121°C; biocompatible according to many ISO 10993-1 test requirements; medium viscosity; easy release; injection molding - melt temperature 280 - 320°C; available in transparent and opaque colors
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Features 
  • Biocompatible
  • Ethylene Oxide Sterilizable
  • Good Mold Release
  • Medium Viscosity
  • Steam Sterilizable
Uses 
  • Medical Devices
  • Medical/Healthcare Applications
 
Agency Ratings 
RoHS Compliance 
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)
g/cm³
ISO 1183
Apparent (Bulk) Density 2
g/cm³
ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)
g/10 min
ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)
cm³/10min
ISO 1133
Molding Shrinkage
     
Across Flow
%
ISO 2577
Flow
%
ISO 2577
Across Flow : 536°F, 0,0787 in 3
%
ISO 294-4
Flow : 0,0787 in 3
%
ISO 294-4
Water Absorption
    ISO 62
Saturation, 73°F
%
 
Equilibrium, 73°F, 50% RH
%
 
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
ISO 527-2/1
Tensile Stress
    ISO 527-2/50
Yield, 73°F
psi
 
Break, 73°F
psi
 
Tensile Strain
    ISO 527-2/50
Yield, 73°F
%
 
Break, 73°F
%
 
Nominal Tensile Strain at Break (73°F)
%
ISO 527-2/50
Tensile Creep Modulus
    ISO 899-1
1 hr
psi
 
1000 hr
psi
 
Flexural Modulus 4 (73°F)
psi
ISO 178
Flexural Stress 4
    ISO 178
73°F
psi
 
3,5% Strain, 73°F
psi
 
Flexural Strain at Flexural Strength 5 (73°F)
%
ISO 178
Films
Nominal Value
Unit
Test Method
Gas Permeation
    ISO 2556
Carbon Dioxide : 3,9 mil
cm³/m²/bar/24 hr
 
Nitrogen : 3,9 mil
cm³/m²/bar/24 hr
 
Oxygen : 3,9 mil
cm³/m²/bar/24 hr
 
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength 6
    ISO 179/1eA
-22°F, Complete Break
ft·lb/in²
 
73°F, Partial Break
ft·lb/in²
 
Charpy Unnotched Impact Strength
    ISO 179/1eU
-76°F
 
 
-22°F
 
 
73°F
 
 
Notched Izod Impact Strength 6
    ISO 180/A
-22°F, Complete Break
ft·lb/in²
 
73°F, Partial Break
ft·lb/in²
 
Multi-Axial Instrumented Impact Energy
    ISO 6603-2
-22°F
ft·lb
 
73°F
ft·lb
 
Multi-Axial Instrumented Impact Peak Force
    ISO 6603-2
-22°F
lbf
 
73°F
lbf
 
Hardness
Nominal Value
Unit
Test Method
Ball Indentation Hardness
psi
ISO 2039-1
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
     
66 psi, Unannealed
°F
ISO 75-2/B
264 psi, Unannealed
°F
ISO 75-2/A
Glass Transition Temperature 7
°F
ISO 11357-2
Vicat Softening Temperature
     
--
°F
ISO 306/B120
--
°F
ISO 306/B50
Ball Pressure Test (277°F)
 
IEC 60695-10-2
CLTE
    ISO 11359-2
Flow : 73 to 131°F
in/in/°F
 
Transverse : 73 to 131°F
in/in/°F
 
Thermal Conductivity 8 (73°F)
Btu·in/hr/ft²/°F
ISO 8302
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
IEC 60093
Volume Resistivity (73°F)
ohms·cm
IEC 60093
Electric Strength (73°F, 0,0394 in)
V/mil
IEC 60243-1
Relative Permittivity
    IEC 60250
73°F, 100 Hz
 
 
73°F, 1 MHz
 
 
Dissipation Factor
    IEC 60250
73°F, 100 Hz
 
 
73°F, 1 MHz
 
 
Comparative Tracking Index (Solution A)
V
IEC 60112
Flammability
Nominal Value
Unit
Test Method
Glow Wire Flammability Index
    IEC 60695-2-12
0,06 in
°F
 
0,12 in
°F
 
Glow Wire Ignition Temperature
    IEC 60695-2-13
0,030 in
°F
 
0,06 in
°F
 
0,12 in
°F
 
Oxygen Index 9
%
ISO 4589-2
Flash Ignition Temperature
°F
ASTM D1929
Self Ignition Temperature
°F
ASTM D1929
Optical
Nominal Value
Unit
Test Method
Refractive Index 10
 
ISO 489
Light Transmittance
    ISO 13468-2
39,37 mil
%
 
78,74 mil
%
 
118,1 mil
%
 
157,5 mil
%
 
Haze (118,1 mil)
%
ISO 14782
Additional Information
Nominal Value
Unit
Test Method
ISO Shortname
 
 
Related Terminology
This supplier and product may also be known by these terms: Macrolon, Makralon
Features
Features may also be described by the following terms: Good Mold Release, Easy Release, Good Demolding, Ethylene Oxide Sterilizable, EtO Sterilizable, EtO Sterilization, Ethylene Oxide Sterilizable, Steam Sterilization, Steam Sterilizable, Medium Viscosity.
Uses
Uses may also be described by the following terms: Medical Applications, Medical Appliances, Medical Devices.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): ISO (1).
Available Documents
Technical Datasheet (Chinese (Traditional))
Technical Datasheet (Chinese)
Technical Datasheet (English)
Technical Datasheet (German)
Technical Datasheet (Japanese)
Injection
Nominal Value
Unit
 
Drying Temperature - Dry Air Dryer
°F
 
Drying Time - Dry Air Dryer
hr
 
Suggested Max Moisture
%
 
Suggested Shot Size
%
 
Rear Temperature
°F
 
Middle Temperature
°F
 
Front Temperature
°F
 
Nozzle Temperature
°F
 
Processing (Melt) Temp
°F
 
Mold Temperature
°F
 
Back Pressure
psi
 
Vent Depth
in
 
Injection Notes
Hold Pressure (% of Injection Pressure): 50 - 75%
Standard Melt Temperature: 300°C
Peripheral Screw Speed: 0.05 - 0.2 m/s
Notes
1Typical properties: these are not to be construed as specifications.
2Pellets
360x60x2mm, 500 bar
40,079 in/min
52 mm/min
63 mm
710°C/min
8Across Flow
9Procedure A
10Method A
 
UL and the UL logo are trademarks of UL LLC © 2020. All Rights Reserved.
The information presented here was acquired by UL from the producer of the product or material or original information provider. However, UL assumes no responsibility or liability for the accuracy of the information contained on this website and strongly encourages that upon final product or material selection information is validated with the manufacturer. This website provides links to other websites owned by third parties. The content of such third party sites is not within our control, and we cannot and will not take responsibility for the information or content.