Description
The POM-C Polyacetal rods, also known by the brand name Delrin®, are high-quality thermoplastic bars that excel in strength, stiffness and wear resistance. These bars are available in lengths of 1000 mm and in thicknesses ranging from 5 mm to 200 mm, available in colours white and black. POM-C is known for its excellent mechanical properties and low coefficient of friction, making it a perfect choice for applications where precision, strength and wear resistance are essential.
Features:
- Material: POM-C (Polyacetal, Delrin®)
- Length: 1000 mm
- Thickness: Available in sizes from 5 mm to 200 mm
- Colour: White and Black
- Excellent mechanical strength: High rigidity and abrasion resistance
- Low coefficient of friction: Ideal for moving parts
Applications:
- Precision parts in mechanical engineering
- Bearing bushes, gears, and plain bearings
- Industrial rollers, guides, and sliders
- Electrical and automotive spare parts
Advantages:
- High abrasion resistance and low friction
- Excellent dimensional stability and machinability
- Resistance to moisture and chemicals
- Suitable for applications with high mechanical loads
This POM-C Polyacetal rods offer a perfect balance between strength and versatility, and are ideal for various engineering and industrial applications.
Technical specifications - POM-C Polyacetal Rods (Delrin®)
Material:
- Type: POM-C (Polyacetal Copolymer), brand name Delrin®
- Colour: White and black
Mechanical Properties:
- Tensile strength: 70 MPa
- Bending strength: 110 MPa
- Elasticity modulus (E-modulus): 3000 MPa
- Hardness (Rockwell M): 85-90 M-scale
- Impact resistance (Charpy, unknotted): 7 kJ/m²
- Stretch at break: 20-30%
- Wear resistance: Very high, excellent wear resistance in applications involving friction
Thermal Properties:
- Melting point: 165°C
- Maximum operating temperature (continuous): 100°C
- Short-term maximum operating temperature: 140°C
- Thermal conductivity: 0.31 W/m-K
- Linear coefficient of expansion: 100-120 x 10-⁶ K-¹
Physical Properties:
- Density: 1.41 g/cm³
- Water absorption (24 hours): < 0.2%
- Moisture absorption (at saturation): 0,8%
Electrical Features:
- Dielectric constant: 3.7 (at 1 MHz)
- Dielectric strength: 25 kV/mm
- Surface resistance: 10¹⁴ ohm
Chemical Properties:
- Resistant to: Oils, greases, alcohols, and many solvents
- Not resistant to: Strong acids and halogens such as chlorine and fluorine
Workability:
- Machining: Excellent machining (milling, turning, sawing)
- Welding: Difficult, but possible with special equipment
- Bonding: Difficult to bond, usually mechanical joints or special adhesives required
- Drilling: Can be drilled without cracking or splitting
Applications:
- Industrial applications: Bearing bushings, plain bearings, sprockets, and chain guides
- Precision parts: In mechanical engineering and electromechanical components
- Automotive industry: For parts with high wear resistance and low friction
- Food industry: Suitable for indirect food contact in certain versions
The POM-C Polyacetal rods (Delrin®) are known for their excellent balance between mechanical strength, stiffness, wear resistance and low friction. These properties make the material ideal for precision parts that need to withstand mechanical stress and friction, while being resistant to moisture and chemicals.
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