| About |
|---|
| TECAFORM® is a semi-crystalline thermoplastic offering high strength, stiffness and toughness. TECAFORM® is resistant to hot water, hydrocarbons and solvents, and it possesses good bearing and wear properties. It is available in natural and black grades. TECAFORM® is commonly used as bushings, rollers, wear strips and other applications requiring a combination of strength, low moisture absorption, chemical resistance and dimensional stability. TECAFORM® is used in a wide variety of industrial applications requiring good strength and toughness, dimensional stability, wear resistance and the ability to operate in a wet environment with little absorption. Material handling, machinery and fluid handling are some of the common industries utilizing TECAFORM®’s combination of properties. Typical applications are gears, wear strips, bushings, pump parts, fittings and rollers. No centerline porosity Low moisture absorption Excellent machinability Good combination of mechanical properties Chemical resistance to fuels and solvents Good wear and abrasion properties Good dimensional stability Good property retention at elevated temperatures Black Grades are also manufactured from resin that is FDA compliant&& |
| Product Description | |
|---|---|
| Supplier | Ensinger |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,Good Dimensional Stability,Machinable,Hypocrystalline,Copolymer,Good wear resistance,Solvent resistance,Low moisture absorption,Hydrocarbons,HB |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ASTM D792 |
| Water absorption rate | ASTM D570 | ||
| 23℃，24hr | 0.22 | % | |
| Saturation, 23 ℃ | 0.80 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Notched impact strength of cantilever beam | 53 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 158 | ℃ | |
| 1.8 MPa, unannealed | 110 | ℃ | |
| Melting temperature | 165 | ℃ | ASTM D2133 |
| Linear coefficient of thermal expansion | |||
| MD | 8.5E-5 | 1/℃ | ASTM D696 |
| Maximum operating temperature | |||
| Intermittent | 141 | ℃ | |
| long-term | 91 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | 20 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 23 ℃，60 Hz | 3.70 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 86 | ASTM D785 | |
| Tensile modulus | 2620 | MPa | ASTM D638 |
| tensile strength | |||
| Yield, 23 ℃ | 60.7 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 25 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 2480 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 75.8 | MPa | ASTM D790 |
| compressive strength | 31.0 | MPa | ASTM D695 |
| friction coefficient | |||
| With oneself – dynamic | 0.21 | ||
| Wear factor | |||
| 0.28 MPa，0.25 m/sec | 130 | 10^-8 mm³/N·m | ASTM D3702 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 40 PSI, 50 FPM |
| 3. 50% RH |
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