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Kepital® TX-21
| Category: | Acetal (POM) Copolymer , Acetal (POM) Copolymer |
| Manufacturer: | Korea Engineering Plastics Co., Ltd |
| Trademark: | Kepital® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | Z4TggH_Kepital-TX-21.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| A medium viscosity grade for general injection molding. It is suitable for use requiring reduced wear noise, and a good friction and wear resistance without sacrificing mechanical properties. |
| General Information | |
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| Features |
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| RoHS Compliance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.39 | g/cm³ | ASTM D792, ISO 1183 |
| Melt Mass-Flow Rate (MFR) | |||
| 190°C/2.16 kg | 14 | g/10 min | ASTM D1238 |
| -- | 16 | g/10 min | ISO 1133 |
| Molding Shrinkage | |||
| Flow : 3.00mm | 2.0 | % | |
| Flow direction : 3.00mm | 2.0 | % | |
| Water Absorption (Equilibrium, 23°C, 60% RH) | 0.22 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (M-Scale) | 80 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | |||
| Yield, 23°C | 54.0 | MPa | ASTM D638 |
| Fracture | 58.0 | MPa | ISO 527-2 |
| Tensile Elongation (Yield, 23°C) | 65 | % | ASTM D638 |
| Nominal Tensile Strain at Break | 33 | % | ISO 527-2 |
| Flexural Modulus | |||
| 23°C | 2400 | MPa | ASTM D790 |
| -- | 2350 | MPa | ISO 178 |
| Flexural Stress | |||
| -- | 79.0 | MPa | ISO 178 |
| Yield, 23°C | 78.0 | MPa | ASTM D790 |
| Coefficient of Friction | ASTM D1894 | ||
| With Metal-Dynamic | 0.23 | ASTM D1894 | |
| With self-dynamics | 0.18 | ASTM D1894 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength | 7.5 | kJ/m² | ISO 179/1eA |
| Notched Izod Impact (3.20 mm) | 74 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, not annealed | 158 | °C | ASTM D648 |
| 1.8 MPa, not annealed | 110 | °C | ASTM D648 |
| Peak Melting Temperature | 165 | °C | ASTM D3418 |
| CLTE - Flow (20 to 80°C) | 1.3E-4 | cm/cm/°C | ASTM D696 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Surface Resistivity | 1.0E+16 | ohms | ASTM D257, IEC 60093 |
| Volume Resistivity | 1.0E+14 | ohms·cm | ASTM D257, IEC 60093 |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flame Rating (0.800 mm) | HB | UL 94 |
| Additional Information |
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| Specific Wear: Resin vs. Resin - .10 mm³/kgkmSpecific Wear: Resin vs. Metal - .03 mm³/kgkm |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| MarFlex® 7105D | Chevron Phillips Chemical Company LLC | LLDPE | MarFlex® |
| SCANAMID 6 B22^E F20 | Polykemi AB | Nylon 6 | SCANAMID 6 |
| Siloxane Masterbatch MB50-008 | Multibase, A Dow Corning Company | Siloxane, UHMW | Siloxane Masterbatch |
| POLYCOMPO PE 5000SR | POLYCOMPO Co.,Ltd. | HDPE | POLYCOMPO PE |
| VALOX™ 553 resin | SABIC Innovative Plastics | PC+PBT | VALOX™ |
