CELANESE HOSTAFORM C 36021 Standard POM Resin

Physical Properties

• Density: Tested per ISO 1183, it’s 1.41 g/cc, critical for weight – sensitive applications like small – scale mechanical components.
• Linear Mold Shrinkage, Flow: As per ISO 294-4, the linear mold shrinkage in the flow direction is 0.019 cm/cm (0.019 in/in) for injection-molded parts.
• Linear Mold Shrinkage, Transverse: Determined by ISO 294-4, the transverse linear mold shrinkage is 0.018 cm/cm (0.018 in/in) for molded components.
• 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 32 g/10 min [cm³/10min].

Polymer Properties:

1. Base Material: Polyoxymethylene (POM)
2. Key Features & Characteristics:
   
   • Very High Flowability: The very high Melt Flow Rate of this resin allows for the molding of complex, intricate, and thin-walled parts with ease, reducing cycle times and improving overall production efficiency.
   • High Mechanical Strength and Stiffness: Despite its high flow, this grade maintains a robust and rigid structure, making it suitable for durable and long-lasting components.
   • Excellent Chemical Resistance: It offers superb resistance to a wide range of chemicals, including fuels, oils, and common solvents, which is critical for industrial and automotive applications.
   • Low Friction and Wear: The material has a naturally low coefficient of friction, making it an ideal choice for parts that slide or rotate against each other without the need for external lubrication.
   • Dimensional Stability: With very low moisture absorption, parts maintain their precise dimensions over time, ensuring reliable performance in various environmental conditions.

Applications:

The combination of very high flow, excellent mechanical properties, and chemical resistance makes Hostaform C 36021 a leading material for a variety of intricate and high-precision applications.

• Automotive Interior Components: Ideal for small, complex parts like gears in power seats, clips, and dashboard controls that require high precision.
• Consumer Electronics: Suitable for parts in mobile device enclosures, laptop housings, and printer housings where high-precision, thin-walled components are needed.
• Precision Engineering: Used for tiny, intricate parts in toys, lock components, and precision gears where a clean fill and minimal cycle time are essential.
• Electrical and Electronic Parts: Employed in small electrical connectors and switch housings where intricate geometry and durability are required.

Processing Guidelines

Hostaform C 36021 is optimized for high-speed injection molding. Proper drying is crucial to ensure optimal processing and part quality.

• Drying: Although POM has very low moisture absorption, it is recommended to dry the material at 80°C for 3 hours to remove any surface moisture.
• Melt Temperature: 190-210°C
• Mold Temperature: 60-90°C