Products

Makrolon® 3258

Makrolon® 3258

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon 3258 
Product Quantity: 25KG / BAG
Product Features: Biocompatible、Ethylene Oxide Sterilizable、Good Mold Release、High Viscosity、Steam Sterilizable

Makrolon® 3258

Polycarbonate
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; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent and opaque colors
Features 

  • Biocompatible，Ethylene Oxide Sterilizable，

  • Good Mold Release，High Viscosity，Steam Sterilizable

Uses 
  • Medical Devices，Medical/Healthcare Applications 
Agency Ratings 

  • ISO 10993-Part 1

RoHS Compliance 

  • RoHS Compliant

Appearance 
  • Clear/Transparent，Colors AvailableOpaque
Processing Method 

  • Injection Molding

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 : 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
16400
psi
ISO 2039-1
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
348000
psi
ISO 527-2/1
Tensile Stress


ISO 527-2/50
Yield, 73°F
9570
psi

Break, 73°F
10200
psi

Tensile Strain


ISO 527-2/50
Yield, 73°F
6.2
%

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)
348000
psi
ISO 178
Flexural Stress 5


ISO 178
73°F
13900
psi

3.5% Strain, 73°F
10600
psi

Flexural Strain at Flexural Strength 6 (73°F)
7.1
%
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength 7


ISO 7391
-22°F, Complete Break
7.6
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 8


ISO 7391
-22°F, Complete Break
9.5
ft·lb/in²

73°F, Partial Break
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
282
°F
ISO 75-2/B
264 psi, Unannealed
261
°F
ISO 75-2/A
Glass Transition Temperature 9
297
°F
ISO 11357-2
Vicat Softening Temperature



--
298
°F
ISO 306/B50
--
300
°F
ISO 306/B120
Ball Pressure Test (282°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 10 (73°F)
1.4
Btu·in/hr/ft²/°F
ISO 8302
Flammability
Nominal Value
Unit
Test Method
Flash Ignition Temperature
896
°F
ASTM D1929
Self Ignition Temperature
1022
°F
ASTM D1929
Optical
Nominal Value
Unit
Test Method
Refractive Index 11
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


ISO Shortname
ISO 7391-PC,MR,(,,)-05-9



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


Consultation

Shanghai Langqi Plastic Materials Co., Ltd.   沪ICP备12022668号 公安机关备案号：31011202003696

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