POM (Polyoxymethylene / Acetal)

Physical & mechanical properties:

High rigidity and hardness, self-lubricating and wear-resistant. Extremely low water absorption and outstanding dimensional stability. Insulating and non-magnetic.

Machinability:

Smooth cutting without tool sticking, easy to fabricate thin-walled parts and fine structures.

Dimensional stability:

No deformation or shrinkage, stably meets ±0.005 mm precision requirement.

Applications:

Precision gears, plastic shafts, bushings, cams and insulating precision parts (rotational & non-rotational).

Advantages & Disadvantages:

Advantages: Stable precision, good wear resistance, self-lubricating, cost-effective.

Disadvantages: Poor high-temperature resistance and flame retardancy.

PEEK (Polyether Ether Ketone)

Physical & mechanical properties:

High temperature resistance, chemical corrosion resistance, high strength and wear resistance. Biocompatible, mechanical performance close to metal materials.

Machinability:

Relatively hard material, sharp cutting tools are required for ultra-precision finish machining.

Applications:

Medical devices, semiconductor equipment, high-temperature resistant seals and high-end precision structural parts.

Advantages & Disadvantages:

Advantages: Comprehensive top performance among engineering plastics, excellent precision, temperature and corrosion resistance.

Disadvantages: Extremely high raw material and processing cost.

PC (Polycarbonate)

Physical & mechanical properties:

High transparency, impact resistance and electrical insulation.

Machinability & stability:

Easy to generate burrs during cutting, thin-walled parts tend to deform.

Applications:

Transparent observation windows and insulating enclosures (mainly non-rotational parts).