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Products

Makrolon? 1248

Makrolon? 1248

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon 1248 
Product Quantity: 25KG / BAG
Product Features: Food Contact Acceptable、Impact Modified、Medium Viscosity

Makrolon? 1248

Polycarbonate
Product Description:
MVR (300 °C/1.2 kg) 7.0 cm3/10 min; food contact quality; medium viscosity; impact modified; injection molding - melt temperature 280 - 320 °C; available in light colors only
Additive 

  • Impact Modifier

Features 
  • Food Contact Acceptable，Impact Modified，Medium Viscosity
RoHS Compliance 

  • RoHS Compliant

Appearance 

  • Colors Available

Processing Method 

  • Injection Molding

Physical
Nominal Value
Unit
Test Method
Density (73°F)
1.20
g/cm3
ISO 1183
Apparent (Bulk) Density 3
0.64
g/cm3
ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)
7.5
g/10 min
ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)
0.427
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
0.80
%
ISO 294-4
Flow : 0.0787 in 4
0.75
%
ISO 294-4
Water Absorption


ISO 62
Saturation, 73°F
0.40
%

Equilibrium, 73°F, 50% RH
0.12
%

Hardness
Nominal Value
Unit
Test Method
Ball Indentation Hardness
15700
psi
ISO 2039-1
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
326000
psi
ISO 527-2/1
Tensile Stress


ISO 527-2/50
Yield, 73°F
8850
psi

Break, 73°F
10200
psi

Tensile Strain


ISO 527-2/50
Yield, 73°F
6.0
%

Break, 73°F
130
%

Nominal Tensile Strain at Break (73°F)
> 50
%
ISO 527-2/50
Flexural Modulus 5 (73°F)
326000
psi
ISO 178
Flexural Stress 5


ISO 178
73°F
12800
psi

3.5% Strain, 73°F
9860
psi

Flexural Strain at Flexural Strength 6 (73°F)
6.8
%
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength 7


ISO 7391
-22°F, Partial Break
29
ft·lb/in2

73°F, Partial Break
33
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
14
ft·lb/in2

73°F, Partial Break
31
ft·lb/in2

Multi-Axial Instrumented Impact Energy


ISO 6603-2
-22°F
44.3
ft·lb

73°F
40.6
ft·lb

Multi-Axial Instrumented Impact Peak Force


ISO 6603-2
-22°F
1370
lbf

73°F
1170
lbf

Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature



66 psi, Unannealed
282
°F
ISO 75-2/B
264 psi, Unannealed
257
°F
ISO 75-2/A
Glass Transition Temperature 9
298
°F
ISO 11357-2
Vicat Softening Temperature



--
295
°F
ISO 306/B50
--
298
°F
ISO 306/B120
Ball Pressure Test (280°F)
Pass

IEC 60695-10-2
CLTE


ISO 11359-2
Flow : 73 to 131°F
3.9E-5
in/in/°F

Transverse : 73 to 131°F
3.9E-5
in/in/°F

Thermal Conductivity 10 (73°F)
1.4
Btu·in/hr/ft2/°F
ISO 8302
Halving Interval - Tensile Strength (39.4 mil)
113.0
°F
IEC 60216
Temperature Index - Tensile Impact Strengh  11(39.4 mil)
851
°F
IEC 60216


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.   滬ICP備12022668號 公安機關(guān)備案號：31011202003696

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