Covestro Makrolon ET 3113 Hot Sale PC Resin

Physical Properties

• Bulk Density: Measured at 23°C (73.4°F) for pellets per ISO 60, bulk density is 0.660 g/cc (0.0238 lb/in³), indicating granular packing density.
• Density: Determined by ISO 1183-1, density is 1.20 g/cc (0.0434 lb/in³), a fundamental mass-to-volume property for material specification.
• Moisture Absorption at Equilibrium: At 23°C (73.4°F) per ISO 62, moisture absorption is 0.12% at 50% RH, ensuring dimensional stability in humid conditions.
• Water Absorption at Saturation: At 23°C (73.4°F) per ISO 62, water absorption at saturation is 0.30%, critical for assessing water resistance in applications.
• Water Vapor Transmission: At 23°C (73.4°F) and 85% RH, rate is 15.0 g/m²/day (0.966 g/100 in²/day) for 100µm film per ISO 15106-1.
• Oxygen Transmission: At 0.100 mm (0.00394 in) thickness: 65.0 cc-mm/m²-24hr-atm (165 cc-mil); at 0.0254 mm (0.00100 in): 70.0 cc-mm/m²-24hr-atm (178 cc-mil) per ISO 2556.
• Nitrogen Transmission: At 0.100 mm (0.00394 in) thickness: 12.0 cc-mm/m²-24hr-atm (30.5 cc-mil); at 0.0254 mm (0.00100 in): 13.0 cc-mm/m²-24hr-atm (33.0 cc-mil) per ISO 2556.
• Carbon Dioxide Transmission: At 0.100 mm (0.00394 in) thickness: 380 cc-mm/m²-24hr-atm (965 cc-mil); at 0.0254 mm (0.00100 in): 430 cc-mm/m²-24hr-atm (1090 cc-mil) per ISO 2556.
• Linear Mold Shrinkage: At 50.0 MPa (7250 psi) for 60x60x2 mm samples per ISO 294-4, shrinkage is 0.0075 cm/cm (0.0075 in/in).
• Linear Mold Shrinkage, Flow: Under 50.0 MPa (7250 psi) pressure per ISO 294-4, flow shrinkage is 0.0070 cm/cm (0.0070 in/in) for 60x60x2 mm samples.
• Melt Flow: Per ISO 1133, melt flow rate is 6.5 g/10 min at 300°C (572°F) under 1.20 kg (2.65 lb) load, reflecting processing suitability for molding.

Polymer Properties:

1. Base Material: Polycarbonate (PC)
2. Modification Features:
   
   • High – flow characteristics for fast and efficient injection molding.
   • Good mechanical properties with a balance of strength and flexibility.
   • Moderate heat resistance suitable for general – purpose applications.
   • Good dimensional stability for consistent part quality.

Applications:

• Architectural Glazing: Used to produce solid, corrugated, or multi-wall sheets for windows, skylights, and other glazing applications where high impact resistance and UV protection are needed.
• Protective Barriers: Its toughness makes it suitable for security applications, such as machine guards, sound barriers, and protective screens.
• Lighting: Due to its high transparency and UV stability, it’s an excellent material for light diffusers, covers, and lenses in both indoor and outdoor lighting fixtures.
• Automotive: Can be used for exterior parts that require UV resistance and impact strength, such as some types of vehicle windows or sunroofs.
• Consumer Goods: Applications include large-volume water bottles, safety goggles, and other durable goods where transparency and toughness are required.