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Acetal, also known as polyoxymethylene (POM), is a high strength, low friction engineering plastic that has excellent wear properties in both wet and dry environments. Acetal is chemically resistant to hydrocarbons, solvents, and neutral chemicals. Easy to machine, acetal makes an outstanding choice for applications that require complex, tight tolerances.
Acetal is an easy-to-machine, general-purpose engineering plastic that has excellent dimensional stability. It is rigid, strong, and has a low coefficient of friction against metals, other acetals, and plastics. Its superior creep resistance makes acetal a good choice when dimensional stability is needed.
Usually POM can be cleaned easily with just a soft cloth and warm, soapy water – without the use of any chemicals. Rinse with distilled water after cleaning.
| Property | Acetal |
|---|---|
| Tensile Strength (psi) | 10,000 psi |
| Flexural Modulus of Elasticity (psi) | 420,000 psi |
| Izod Impact (ft-lbs/in) | 1.5 ft-lbs/in |
| Heat Deflection Temperature (°F) | 336 / 257 °F |
| Water Absorption (%) | 0.25 % |
| Light Transmittance (%) | - |
| Haze (%) | - |
| Property | Acetal |
|---|---|
| Specific Gravity | 1.42 |
| Water Absorption (%) | 0.25 % |
| Tensile Strength (psi) | 10,000 psi |
| Tensile Modulus of Elasticity (psi) | 450,000 psi |
| Tensile Elongation (%) | 75 % |
| Flexural Strength (psi) | 14,300 psi |
| Flexural Modulus of Elasticity (psi) | 420,000 psi |
| Compressive Strength (psi) | - |
| Hardness (Rockwell M&R, Shore D) | M89, Shore D 83 |
| Izod Impact (ft-lbs/in) | 1.5 ft-lbs/in |
| Property | Acetal |
|---|---|
| Heat Deflection Temperature (°F) | 336 / 257 °F |
| Max Continuous Service Temperature (°F) | 212 °F |
| Coefficient of Linear Thermal Expansion (in/in/°F x 10-5) | 6.8 in/in/°F x 10-5 |
| Dielectric Strength (V/mil) | 500 V/mil |
Acetal rod is a tough, machinable thermoplastic with a high modulus of elasticity, high strength, good rigidity, dimensional stability, and resistances to moisture, chemicals, and solvents.
Acetal resins are engineering thermoplastics based on formaldehyde polymerization technology. Acetal resins have high tensile strength, stiffness, resilience, fatigue endurance, and a low coefficient of friction against metals, acetals, and other plastics.
What is acetal sheet?
Acetal resins are engineering thermoplastics based on formaldehyde polymerization technology. Acetal resins have high tensile strength, stiffness, resilience, fatigue endurance, a low coefficient of friction against metals, acetals, and other plastics. Acetal copolymers retain much of their toughness through a broad temperature range and are among the most creep resistant of the crystalline thermoplastics. A low moisture absorption characteristic permits molded parts to serve reliably in environments involving humidity variations.
