PENTAMID® A GK40 H black by Pentac Polymer is a black colored, water insoluble polyamide (PA) 6.6 reinforced with 40% glass bead. Is heat stabilised and shows an isotropic shrinkage behavior. Exhibits normal viscosity, good dimensional stability, surface finish, hardness, stiffness, good abrasion and heat resistance. PENTAMID® A GK40 H black is suitable for processing by injection molding. Recommended for beauty covers, low warpage housings, rotation symmetric parts, relay carriers and door handles. Complies with UL 94 HB flame rating and European regulations, ISO 9001:2008, ISO 14001:2009 and ISO 50001:2011.
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PENTAMID® A GK40 H black 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 Constant | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Dielectric Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Auto-ignition Temperature | 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 |
|---|---|---|---|
| Elongation at Break | 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 |
| Modulus of Elasticity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Moisture Absorption | 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, Normal | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Reduced | 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 |
|---|---|---|---|
| Decomposition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Heat Deflection Temperature (HDT) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
PENTAMID® A GK40 H black Processing Guidelines
Injection Molding Processing Guidelines
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Compression Ratio | Visible After Login | Visible After Login | |
| Drying Temperature | Visible After Login | Visible After Login | |
| Drying Time | Visible After Login | Visible After Login | |
| Feed Zone | Visible After Login | Visible After Login | |
| L/D Ratio | Visible After Login | Visible After Login | |
| Melt Temperature | Visible After Login | Visible After Login | |
| Moisture Content (Max) | Visible After Login | Visible After Login | |
| Rotational Screw Speed | Visible After Login | Visible After Login | |
| Screw Travel | Visible After Login | Visible After Login | |
| Suggested Max. Regrind | Visible After Login | Visible After Login | |
| Tool temperature | Visible After Login | Visible After Login | |
| Typical Filling Pressure | Visible After Login | Visible After Login | |
| Zone 1 Temperature | Visible After Login | Visible After Login | |
| Zone 2 Temperature | Visible After Login | Visible After Login | |
| Zone 3 Temperature | Visible After Login | Visible After Login | |
| Zone 4 Temperature | Visible After Login | Visible After Login | |
| Zone 5 Temperature | Visible After Login | Visible After Login | |