CELANESE HOSTAFORM C 9021 M Modified POM Resin
CELANESE HOSTAFORM C 9021 M is a lubricant – modified POM copolymer from CELANESE, designed for low – friction and durable applications.
Physical Properties
- Density: Measures 1.42 g/cc (0.0513 lb/in³) per ISO 1183, providing a balance between strength and weight for diverse applications.
- Water Absorption at Saturation: Absorbs 0.75% water at saturation (ISO 62), which could impact electrical properties in humid settings.
- Linear Mold Shrinkage, Flow: Exhibits 0.020 cm/cm flow shrinkage (ISO 294 – 4), ensuring dimensional accuracy in molded parts.
- Linear Mold Shrinkage, Transverse: Has 0.018 cm/cm transverse shrinkage (ISO 294 – 4), minimizing warping in complex geometries.
- Melt Flow: Offers a melt flow of 8.5 g/10 min at 190 °C/2.16 kg (ISO 1133), facilitating consistent filling of molds.
Polymer Properties:
- Base Material: Polyoxymethylene (POM) Copolymer
- Modification Features:
- Incorporates special lubricants like molybdenum disulfide, reducing friction in moving parts.
- Exhibits excellent chemical resistance to a wide range of solvents, fuels, and strong alkalis.
- High resistance to thermal and oxidative degradation, ensuring long – term stability.
- Offers good hydrolysis resistance, maintaining integrity in humid conditions.
- Features high rigidity, hardness, and toughness for durable performance.
Applications:
- 1. High-Precision Mechanical Parts
- Description: This material is excellent for intricate components where maintaining tight tolerances and structural integrity under stress is paramount.
- Benefits: Its high stiffness ensures that parts retain their precise dimensions and function accurately, even when subjected to loads or vibrations.
- Examples: Precision gears, cams, levers, housing components, and structural elements in printers, cameras, optical instruments, and other sensitive electromechanical devices.
- 2. Automotive Structural Components
- Description: Used in various automotive parts that require rigid support and resistance to deformation, contributing to overall vehicle performance and durability.
- Benefits: The high stiffness of C 9021 M allows it to replace metal components in certain applications, leading to weight reduction without compromising structural integrity.
- Examples: Structural brackets, clips, connectors, components in fuel systems, window lift mechanisms, and dashboard sub-assemblies where rigidity is key.
- 3. Industrial and Appliance Components
- Description: Employed in a wide range of industrial equipment and household appliances where parts are subjected to continuous mechanical stress or require high load-bearing capabilities.
- Benefits: Its inherent stiffness and hardness contribute to the longevity and reliable operation of machinery, reducing the likelihood of part failure due to deformation.
- Examples: Components in pumps, valves, conveyor systems, washing machine agitators, refrigerator door hinges, and other durable goods that demand high mechanical integrity.
- 4. Fasteners and Connectors
- Description: Ideal for applications requiring robust fastening solutions that can withstand tightening forces and maintain secure connections.
- Benefits: The material’s high stiffness and hardness ensure that fasteners like screws, clips, and buckles resist crushing or deformation during assembly and in service, maintaining their grip.
- Examples: Snap-fit connectors, buckles, durable clips, and threaded inserts where secure and rigid attachment is essential.