CELANESE HOSTAFORM C 9021 GV3/20 Modified POM Resin
Celanese Hostaform C 9021 GV3/20 is a polyoxymethylene (POM) copolymer grade reinforced with approximately 20% glass spheres, designed for injection molding.
Physical Properties
- Density: Measured according to ISO 1183, the material’s density is 1.53 g/cc (0.0553 lb/in³), indicating its mass per unit volume for material property assessment.
- Water Absorption at Saturation: As per ISO 62, the material absorbs 0.80% water at saturation, reflecting its maximum moisture retention capacity 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 8.5 g/10 min [cm³/10min], showing processability for injection molding applications.
Polymer Properties:
- Base Material: Polyoxymethylene (POM)
- Reinforcement: 20% Glass Spheres
- Modification Features:
- 20% glass spheres reinforcement significantly boost rigidity, enabling it to bear heavier loads in applications.
- Showcases remarkable resistance to thermal degradation, maintaining its structural integrity in high – heat environments.
- Offers enhanced oxidative degradation resistance, ensuring long – term stability and durability.
- Reduces the material’s coefficient of thermal expansion, leading to better dimensional stability during temperature fluctuations.
- Increases hardness, making it suitable for applications where wear and abrasion resistance are crucial.
Applications:
- Automotive Engineering
Hostaform® C 9021 GV3/20 is widely used in automotive applications due to its dimensional stability, chemical resistance, and ability to withstand thermal and mechanical stresses. Typical applications include:- Interior Components: Dashboard parts, trim pieces, and control knobs, where low warpage and high rigidity ensure precise fits and aesthetic consistency.
- Under-the-Hood Parts: Fuel system components, such as pump housings and valve bodies, benefit from the material’s resistance to fuels and thermal stability.
- Structural Supports: Brackets and mounts that require minimal deformation under load, leveraging the material’s creep resistance and rigidity.
- Precision Engineering
The material’s excellent mechanical properties and low moisture absorption make it ideal for precision engineering applications requiring tight tolerances and durability:- Gears and Bearings: Used in small gears and bearing cages due to its low friction, wear resistance, and high stiffness, ensuring reliable performance in mechanical assemblies.
- Fasteners and Connectors: Snap-fit components and clips benefit from the material’s resilience and ability to maintain shape under stress.
- Tool Housings: Precision tool components, such as housings for measuring devices, utilize the material’s dimensional stability and resistance to environmental degradation.
- Electrical and Electronic Industry
Hostaform® C 9021 GV3/20’s electrical insulation properties (UL 746B electrical rating of 105°C) and resistance to thermal degradation make it suitable for electronic applications:- Connectors and Housings: Used in electrical connectors, switch housings, and terminal blocks, where dimensional stability and chemical resistance ensure long-term reliability.
- Insulating Components: Parts requiring high dielectric strength and low moisture absorption, such as insulators in circuit breakers or sensor housings.
- Cable Management: Clips and guides for cable routing, benefiting from the material’s rigidity and resistance to wear.
- Domestic Appliances
The material’s aesthetic finish, durability, and resistance to chemicals make it a preferred choice for household appliances:- Kitchen Appliances: Components in blenders, coffee makers, and food processors, such as gears, handles, and structural supports, benefit from the material’s hardness and resistance to cleaning agents.
- Washing Machine Parts: Pump housings and valve components that require resistance to water, detergents, and thermal cycling.
- Vacuum Cleaner Components: Nozzles and fittings that demand toughness and low warpage for precise assembly.
- Industrial Components
Hostaform® C 9021 GV3/20 is used in various industrial applications where mechanical strength and environmental resistance are critical:- Conveyor Systems: Rollers and guides in conveyor belts, leveraging the material’s low friction and wear resistance.
- Pumps and Valves: Industrial pump impellers and valve seats that require chemical resistance and dimensional stability under pressure.
- Housings and Frames: Enclosures for industrial equipment, where the material’s rigidity and low warpage ensure robust, long-lasting structures.