VESTAKEEP® L4000G by Evonik is an unreinforced, lubricated, semi-crystalline, high viscosity polyether ether ketone (PEEK) resin. Exhibits excellent mechanical-, thermal-, hydrolysis-, wear- and chemical resistance. Offers good physical stability, dimensional stability, degassing property, sterilizability and processability. It is non-combustible and recyclable and provides self-extinguishing property. It can be processed by injection molding and extrusion. Suitable for automotive applications such as gears, films, sheets, semi-finished products and medical goods. VESTAKEEP® L4000G by Evonik complies with FDA and EU (10/2011).
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Chemical family:
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| Bio Based content | Visible After Login |
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Compliance
| Food Contact Approval | Visible After Login |
| Certifications & Compliance | Visible After Login |
Applications
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Applications
Conversion mode
Availability
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VESTAKEEP® L4000G 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 |
| Surface Resistance | 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 |
| Glow Wire Flammability Index (GWFI) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Glow Wire Ignition Temperature (GWIT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Limiting Oxygen Index (LOI) | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Elongation at Yield | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, Charpy | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Impact Strength, 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 Charpy | 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 |
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 |
| Tensile Strength at Yield | 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, Transverse | 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 | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| 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 |
| Melting Point | 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 |
| Vicat Softening Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
VESTAKEEP® L4000G Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Back Pressure | Visible After Login | Visible After Login | |
| Hooper Temperature | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Mold Temperature | Visible After Login | Visible After Login | |
| Residual Moisture Content (Max) | Visible After Login | Visible After Login | |
| Screw Rotation Speed | Visible After Login | Visible After Login | |
| Tool temperature | Visible After Login | Visible After Login | |
| Vent Depth | Visible After Login | Visible After Login | |