Shibaam Polymers

POM Polycetal

POM Polyacetal

Polyacetal, also known as polyoxymethylene (POM), is a versatile and widely used engineering thermoplastic. It is a type of polymer that belongs to the family of polyoxymethylenes, which are characterized by their excellent mechanical properties, dimensional stability, and resistance to chemicals and moisture. Polyacetal is commonly used in various industries due to its unique combination of properties and ease of processing.

Product Description

Polyacetal (POM) sheets and rods are among the strongest and stiffest of all
thermoplastics. Plastic materials are characterized by good fatigue life, low moisture
sensitivity, and high resistance to solvents and chemicals. Polyacetal products also
contain good electrical properties. Homo-polymer and Copolymer grade of Polyacetal
are available including an enhanced bearing grade material.
Polyacetal -POM is a semi crystalline engineering plastic that is beneficial to
engineering applications, and is suited to CNC machining.
Polyacetal -POM is a semi crystalline engineering plastic that is beneficial to
engineering applications, and is suited to CNC machining

  • High mechanical strength
  • Excellent resilience
  • Excellent machinability
  • Physiologically inert (most grades are
    suitable for food contact)

Standard Sizes

Sheet: Thickness 6-100mm
Sizes: 610mm X 1200mm X 2000mm
1000mm X 2000mm
Rod: diameter X length
16-200mm X 1000mm

Dimensions can be customised to order.

Typical Application

Exploring the Versatility of POM Polyacetal Across Industries

Gear wheels with small modulus

Used in precision machinery where compact design and fine tooth engagement are required.


Employed in machinery to convert rotary motion into reciprocating, enabling precise control and synchronization of movements.

Heavily loaded bearings and rollers

Used in industrial equipment like mining machinery and construction equipment to support .

Bearing and gears with small clearances

Essential in precision engineering applications such as aerospace and medical devices.

Valve seats

Utilized in internal combustion engines and industrial valves to provide a sealing surface, enhancing fluid flow control.

Snap fit assemblies

Employed in consumer electronics and product packaging to securely and easily join components without need for fasterners.

Dimensionally stable precision parts

Crucial in optics ensuring accurate alignment and performance in telescopes.

Electrically insulating components

Vital in electronics to prevent electrical conduction and ensure safety, used in circuit boards, connectors.


Exploring the Versatility of POM Polycetal Across Industries

Mechanical Properties

Performance and Test ConditiomTest MethodUnitTyical Values
Notched impact strength of cantilever beam, 23°CASTM D256J/m10
Yield tensile strength, 23°C, 50mm/minASTM D638Mpa60
Elongation at break, 23°C, 50mm/minASTM D638%25
The bending strength. 23C, 2mm/minASTM 790Mpa70
Bending modulus, 23°C, 2mm/minASTM 790Mpa2500
Shore hardness DASTMD224085
The DensityISO 1183g/cm31.42

Thermal Properties

Performance and Test ConditiomTest MethodUnitTyical Values
Thermal deformation temprature(HDT) (0.45Mpa)ISO 75°C120
Melting point°C170
Long term operating temperature°C100
Short-term operating temperature°C120
Thermal conductivityDIN 52612-1W/(K-M)0.33
Linear expansion coefficientASTM D69610-5-1/K13

Electrical Performance

Performance and Test ConditiomTest MethodUnitTyical Values
Dielectric strengthASTM D150KV-mm19
Dielectric loss coefficientASTM D1500.007
The volume resistanceASTM D257Ω.cm1015
The surface resistanceASTM D257Ω1015
Dielectric constantASTM D1493.7