CELANESE HOSTAFORM C 9021 GV1/20 Modified POM Resin

Physical Properties

• Density: Measured according to ISO 1183, the material’s density is 1.57 g/cc (0.0567 lb/in³), indicating its mass per unit volume for material characterization.
• Water Absorption at Saturation: As per ISO 62, the material exhibits 0.85% water absorption at saturation, reflecting its maximum moisture uptake when fully immersed.
• Melt Flow: Under ISO 1133 standards at 190°C (374°F) with a 2.16 kg (4.76 lb) load, the melt flow rate is 4.5 g/10 min [cm³/10min], showing processability for injection molding applications.

Polymer Properties:

• Base Material: Polyoxymethylene (POM)
• Reinforcement: 20% Glass Fiber
• Modification Features:
  
  • Glass fiber reinforcement substantially increases rigidity and mechanical strength.
  • Exhibits outstanding dimensional stability and minimal water absorption.
  • Possesses high heat resistance, making it apt for elevated – temperature scenarios.
  • Features enhanced abrasion resistance for extended – service – life applications.

Applications:

• Automotive Engineering
  Hostaform® C 9021 GV1/20 is widely used in automotive applications due to its durability, chemical resistance, and ability to withstand thermal and mechanical stresses. Specific applications include:
  • Structural Components: Gearbox housings, brackets, and mounting supports benefit from the material’s high rigidity and dimensional stability.
  • Interior and Exterior Parts: Door handles, seatbelt components, and dashboard fittings leverage its strength and low shrinkage for precise fits.
  • Under-the-Hood Applications: Fuel system components, such as pump housings and valve bodies, utilize its resistance to fuels and solvents.
  • Compliance: Meets Federal Motor Vehicle Safety Standards (FMVSS) for automotive use, ensuring safety and reliability.
• Precision Engineering
  The material’s high strength-to-weight ratio and low thermal expansion make it ideal for precision engineering applications requiring tight tolerances:
  • Gears and Bearings: Used in small gears and bearing cages due to its wear resistance and rigidity, ensuring smooth operation and longevity.
  • Connectors and Fasteners: Snap-fit connectors and clips benefit from its toughness and resilience, enabling secure and repeatable assembly.
  • Tooling Components: Jigs, fixtures, and mold inserts use its dimensional stability to maintain accuracy during repeated use.
• Electrical and Electronics Industry
  Hostaform® C 9021 GV1/20 is suitable for electrical components due to its electrical insulation properties and thermal stability:
  • Housings and Enclosures: Used for connectors, switch housings, and sensor casings, where its low moisture absorption and chemical resistance ensure reliability.
  • Insulating Components: Insulators and spacers benefit from its high rigidity and resistance to thermal degradation.
  • Compliance: Meets UL flame ratings and RoHS requirements, making it suitable for consumer electronics.
• Domestic Appliances
  The material’s combination of aesthetic finish, durability, and chemical resistance makes it a preferred choice for household appliances:
  • Washing Machine Components: Agitator parts and pump housings utilize its resistance to water, detergents, and mechanical stress.
  • Kitchen Appliances: Mixer gears, blender bases, and food processor components benefit from its toughness and low wear properties.
  • Consumer Goods Compliance: Meets BgVV recommendation XXXIII for consumer goods, ensuring safety in contact with household environments.
• Industrial Applications
  Hostaform® C 9021 GV1/20 is used in various industrial settings where robust performance is required:
  • Conveyor Systems: Rollers, guides, and chain links leverage its low friction and wear resistance for smooth operation.
  • Pumps and Valves: Components exposed to chemicals or high pressures benefit from its chemical resistance and mechanical strength.
  • Machinery Parts: Housings, frames, and supports in industrial machinery use its high rigidity and thermal stability.

Advantages in Application

• Enhanced Durability: The glass fiber reinforcement significantly improves the material’s ability to withstand mechanical stress and fatigue, extending component lifespan.
• Design Flexibility: Its suitability for injection molding allows for complex shapes and precise tolerances, reducing assembly costs.
• Environmental Resistance: Performs reliably in harsh chemical and thermal environments, reducing maintenance needs.
• Sustainability: Low moisture absorption and high resistance to degradation support long-term use, aligning with sustainability goals in material selection.

Processing Considerations

• Injection Molding: The material is optimized for injection molding, with recommended drying at 100–120°C for 3–6 hours if exposed to moisture (e.g., due to improper storage).
• Sheet and Film Extrusion: Suitable for producing thin, durable sheets for specific applications.
• No General Drying Required: Its low moisture absorption typically eliminates the need for drying under standard storage conditions, simplifying processing.