Makroblend® M525 by Covestro is an impact modified, easy release, cold stable polycarbonate (PC) and polybutylene terephthalate (PBT) blend. It is suitable for processing by injection molding. It offers an exceptional low-temperature impact strength, impact resistance, good flowability and excellent chemical resistance.
- It is used in medical applications.
- It is tested according to ISO 10993-5 and ISO 10993-10 for contact with uncompromised skin only.
- Makroblend® M525 complies with UL 94 HB flame rating.
Product family:
Chemical family:
Product Type:
| Bio Based content | Visible After Login |
Compliance
| Certifications & Compliance | Visible After Login |
Applications
Recommended markets
Applications
Conversion mode
Availability
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Makroblend® M525 properties
Electrical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Surface Resistivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volume Resistivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flame Rating, UL 94 | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 3.5% Flexural Stress | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flexural Modulus | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Izod | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Nominal Strain at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Stress at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Yield Strain | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Yield Stress | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Linear Mold Shrinkage, Flow | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Linear Mold Shrinkage, Flow | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melt Volume Flow Rate (MVR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| CTE, Linear, Normal to Flow | 0.0 Visible After Login | Visible After Login | Visible After Login |
| CTE, Linear, Parallel to Flow | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Deflection Temperature at 0.46 MPa (66 psi) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Deflection Temperature at 1.8 MPa (264 psi) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
Makroblend® M525 Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Drying Temperature | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Moisture Content | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
Injection molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Barrel Front Temperature | Visible After Login | Visible After Login | |
| Barrel Middle Temperature | Visible After Login | Visible After Login | |
| Barrel Nozzle Temperature | Visible After Login | Visible After Login | |
| Barrel Rear Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Hold Pressure | Visible After Login | Visible After Login | |
| Peripheral Screw Speed | Visible After Login | Visible After Login | |
| Plastic Back Pressure | Visible After Login | Visible After Login | |
| Shot-to-Cylinder Size | Visible After Login | Visible After Login | |
| Vent Depth | Visible After Login | Visible After Login | |