Plastic Granules
Formocon® FM090LMD Acetal Copolymer Standard-flow Grade
Formocon® FM090LMD is a standard-flow POM acetal copolymer for injection molding. It offers less mold deposit than FM090, 62 MPa tensile strength, 2500 MPa flexural modulus, and 0.2% water absorption. Suitable for gears, fasteners, bearings, and automotive parts.
Associated Documents
TDS - Data Sheet
Typical property data
Physical Properties
- Melt Index: 9 g/10 min (ISO 1133)
- Density: 1.41 g/cm³ (ISO 1183)
- Water Absorption, 23°C / 50% RH: 0.2% (ISO 62)
- Mold Shrinkage, 3 mm / 4 in disk: 1.8–2.2%
Mechanical Properties
- Rockwell Hardness: M 80 (ISO 2039-2)
- Flexural Strength: 88 MPa (ISO 178)
- Flexural Modulus: 2500 MPa (ISO 178)
- Tensile Strength at Yield: 62 MPa (ISO 527-2/1A)
- Tensile Elongation at Break: 35% (ISO 527-2/1A)
Impact Properties
- Charpy Notched Impact Strength: 6.5 kJ/m² (ISO 179-1, ISO 179-2)
Thermal Properties
- Heat Deflection Temperature, 1.80 MPa: 103°C (ISO 75-1, ISO 75-2)
- Linear Expansion Factor: 12 × 10⁻⁵ /°C (ISO 11359-2)
- Melting Point: 165°C (ISO 11357-3)
Electrical Properties
- Volume Resistivity: 1 × 10¹⁴ Ω·cm (IEC 60093)
- Surface Resistivity: 1 × 10¹⁶ Ω (IEC 60093)
- Dielectric Breakdown Strength, 2 mm: 19 kV/mm (IEC 60243-1)
Flame Characteristics
- Flammability Rating: HB (UL 94)
Processing Parameters
- Flow Characteristic: Standard-flow
- Mold Deposit Performance: Less mold deposit than FM090
- Mold Shrinkage, 3 mm / 4 in disk: 1.8–2.2%
Use & Applications
- Buttons and Press-In Fasteners
- Gears
- Plumbing and Hardware Parts
- Electronic Parts
- Household Appliance Components
- Automotive Parts
- Bearings
- Other Injection Molded Parts