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This is the free Material Data Center Datasheet of Makrolon® LED2245 DQ - PC - Covestro Deutschland AG
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Product Texts
- polycarbonate
- MVR (300 °C/1.2 kg) 34 cm³/10 min
- easy release
- Easy flow
- low viscosity
- translucent material with low diffusion for light guides and thick-wall optical parts
| Processing/Physical Characteristics | Value | Unit | Test Standard |
| ISO Data |
| Melt volume-flow rate, MVR |
34 |
cm³/10min |
ISO 1133 |
| Temperature |
300 |
°C |
- |
| Load |
1.2 |
kg |
- |
| Molding shrinkage, parallel |
0.7 |
% |
ISO 294-4, 2577 |
| Molding shrinkage, normal |
0.7 |
% |
ISO 294-4, 2577 |
| Mechanical properties | Value | Unit | Test Standard |
| ISO Data |
| Tensile Modulus |
2200 |
MPa |
ISO 527 |
| Yield stress |
63 |
MPa |
ISO 527 |
| Yield strain |
6 |
% |
ISO 527 |
| Nominal strain at break |
>50 |
% |
ISO 527 |
| Izod notched impact strength, +23°C |
12 |
kJ/m² |
ISO 180/1A |
| Izod notched impact strength |
12 |
kJ/m² |
ISO 180/1A |
| Temperature |
-20 |
°C |
- |
| Puncture - maximum force, +23°C |
4900 |
N |
ISO 6603-2 |
| Puncture - maximum force, -30°C |
5900 |
N |
ISO 6603-2 |
| Puncture energy, +23°C |
50 |
J |
ISO 6603-2 |
| Puncture energy, -30°C |
55 |
J |
ISO 6603-2 |
| Thermal properties | Value | Unit | Test Standard |
| ISO Data |
| Glass transition temperature, 10°C/min |
145 |
°C |
ISO 11357-1/-2 |
| Temp. of deflection under load, 1.80 MPa |
125 |
°C |
ISO 75-1/-2 |
| Temp. of deflection under load, 0.45 MPa |
138 |
°C |
ISO 75-1/-2 |
| Vicat softening temperature, B |
145 |
°C |
ISO 306 |
| Optical properties | Value | Unit | Test Standard |
| ISO Data |
| Luminous transmittance |
87[1] |
% |
ISO 13468-1, -2 |
| Other properties | Value | Unit | Test Standard |
| Water absorption |
0.3 |
% |
Sim. to ISO 62 |
| Humidity absorption |
0.12 |
% |
Sim. to ISO 62 |
| Density |
1190 |
kg/m³ |
ISO 1183 |
| Bulk density |
660 |
kg/m³ |
- |
| Test specimen production | Value | Unit | Test Standard |
| ISO Data |
| Injection Molding, melt temperature |
280 |
°C |
ISO 294 |
| Injection Molding, mold temperature |
80 |
°C |
ISO 294 |
| Injection Molding, injection velocity |
200 |
mm/s |
ISO 294 |
| Processing Recommendation Injection Molding | Value | Unit | Test Standard |
| Pre-drying - Temperature |
120 |
°C |
- |
| Pre-drying - Time |
4 |
h |
- |
| Processing humidity |
≤0.02 |
% |
- |
| Melt temperature |
260 - 300 |
°C |
- |
| Mold temperature |
70 - 120 |
°C |
- |
| Zone 1 |
250 |
°C |
- |
| Zone 2 |
270 - 290 |
°C |
- |
| Zone 3 |
270 - 290 |
°C |
- |
| Nozzle temperature |
270 - 305 |
°C |
- |
| Back pressure |
10 - 20 |
MPa |
- |
Characteristics
Processing
Injection Molding
Additives
Release agent
Special Characteristics
Translucent
Features
Light Guiding
Regional Availability
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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