Makroblend® EL703 by Covestro is an impact modified, flame retardant, UV stabilized, unreinforced polycarbonate (PC) and polyethylene terephthalate (PET) blend. It is suitable for processing by injection molding.
- It exhibits high flow, good impact strength, dimensional stability, heat resistance, impact resistance and chemical resistance.
- It is recommended for outdoor electrical enclosures.
- Makroblend® EL703 is UL746C f1 rated and complies with UL 94 V-0 & 5VA flame rating.
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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® EL703 properties
Electrical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Comparative Tracking Index (CTI) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dielectric Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dissipation Factor | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dissipation Factor | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 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 |
| Flame Rating, UL 94 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| 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 |
| Flexural Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Charpy | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Notched Charpy | 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 |
| 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 |
| Tensile Modulus | 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 |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Dielectric Constant | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dielectric Constant | 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 |
| Melt Volume Flow Rate (MVR) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Absorption at Equilibrium | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Water Absorption at Saturation | 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 |
| Thermal Conductivity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| UL RTI, Electrical | 0.0 Visible After Login | Visible After Login | Visible After Login |
| UL RTI, Mechanical with Impact | 0.0 Visible After Login | Visible After Login | Visible After Login |
| UL RTI, Mechanical without Impact | 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® EL703 Processing Guidelines
Injection Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Plastic Back Pressure | Visible After Login | Visible After Login | |
| Shot-to-Cylinder Size | Visible After Login | Visible After Login | |
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Barrel Rear Temperature | Visible After Login | Visible After Login | |
| Barrel Rear Temperature | Visible After Login | Visible After Login | |
| Barrel Rear Temperature | Visible After Login | Visible After Login | |
| Barrel Rear Temperature | Visible After Login | Visible After Login | |
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Hold Pressure | Visible After Login | Visible After Login | |
| Injection Velocity | 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 | |
| Peripheral screw speed | Visible After Login | Visible After Login | |
| Vent Depth | Visible After Login | Visible After Login | |


