DUPONT DELRIN 500MT POM Resin

Physical Properties

• Density: As per ISO 1183, the material’s density is 1.35 g/cc (0.0488 lb/in³), defining its mass per unit volume for material evaluation.
• Water Absorption: At 2.00 mm thickness (sim. ISO 62), water absorption is 1.9%, indicating higher moisture retention under immersion conditions.
• Moisture Absorption: At 2.00 mm thickness (sim. ISO 62), moisture absorption is 0.300%, showing lower uptake compared to water immersion.
• Linear Mold Shrinkage, Flow: By ISO 294-4/2577, flow-direction shrinkage is 0.014 cm/cm (0.014 in/in), critical for dimensional stability in molding.
• Linear Mold Shrinkage, Transverse: Per ISO 294-4/2577, transverse shrinkage is 0.015 cm/cm (0.015 in/in), highlighting minor directional differences in contraction.
• Melt Flow: Under ISO 1133 at 190°C/2.16 kg, the melt flow rate is 9.0 g/10 min, reflecting suitable processability for injection molding applications.

Polymer Properties:

1. Base Material: Polyoxymethylene (POM)
2. Key Features & Characteristics:
   
   • Medium – toughened formulation for balanced impact resistance and strength.
   • Moderate viscosity aids in smooth injection molding process.
   • Good abrasion resistance for extended service life in wear – prone applications.
   • Resistant to common chemicals, ensuring durability in diverse environments.

Applications:

The combination of enhanced toughness, good mechanical properties, and excellent processability makes Delrin 500MT a versatile material for a variety of demanding applications.

• Automotive Components: Ideal for under-the-hood parts, interior components, and fuel systems that must withstand stress and occasional impacts.
• Industrial Components: Used for durable parts in machinery, power tool casings, and conveyor systems that are prone to accidental drops or impacts.
• Consumer Goods and Toys: Suitable for robust parts in appliances, toys, and sports equipment that see frequent use and are subject to rough handling.
• Precision Engineering: Employed in precision gears and mechanical linkages where a balance of strength and toughness is required.

Processing Guidelines

Delrin 500MT is optimized for injection molding. Proper drying is crucial to ensure optimal processing and part quality.

• Drying: While not always required, pre-drying at 80°C for 2-4 hours is recommended, especially for long-term storage or high humidity conditions.
• Melt Temperature: 190-210°C
• Mold Temperature: 80-100°C