Covestro Makrolon 2456 Hot Sale PC Resin
Covestro Makrolon 2456 is a low – viscosity polycarbonate (PC) produced by Covestro.
Physical Properties
- Bulk Density:Measured for pellets per ISO 60, the bulk density is 0.660 g/cc (0.0238 lb/in³), indicating packing density in granular form.
- Density:Determined by ISO 1183, the density is 1.20 g/cc (0.0434 lb/in³), a fundamental mass-to-volume property for material characterization.
- Moisture Absorption at Equilibrium:At equilibrium per ISO 62, moisture absorption is 0.12%, ensuring stability in 50% relative humidity environments.
- Water Absorption at Saturation:As per ISO 62, water absorption at saturation is 0.30%, critical for assessing long-term water exposure resistance.
- Water Vapor Transmission:For a 100 µm film at 85% RH (ISO 15106-1), the rate is 15.0 g/m²/day (0.966 g/100 in²/day), measuring moisture barrier performance.
- Oxygen Transmission:
- 100 µm film: 700 cc-mm/m²-24hr-atm (1780 cc-mil/100 in²-24hr-atm) per ISO 2556.
- 25.4 µm film: 3150 cc-mm/m²-24hr-atm (8000 cc-mil/100 in²-24hr-atm) per ISO 2556.
- Nitrogen Transmission:
- 100 µm film: 130 cc-mm/m²-24hr-atm (330 cc-mil/100 in²-24hr-atm) per ISO 2556.
- 25.4 µm film: 630 cc-mm/m²-24hr-atm (1600 cc-mil/100 in²-24hr-atm) per ISO 2556.
- Carbon Dioxide Transmission:
- 100 µm film: 4000 cc-mm/m²-24hr-atm (10200 cc-mil/100 in²-24hr-atm) per ISO 2556.
- 25.4 µm film: 18900 cc-mm/m²-24hr-atm (48000 cc-mil/100 in²-24hr-atm) per ISO 2556.
- Linear Mold Shrinkage, Flow:For 60x60x2 mm samples at 500 bar (ISO 294-4/2577), flow shrinkage is 0.0065 cm/cm (0.0065 in/in).
- Linear Mold Shrinkage, Transverse:At 500 bar pressure (ISO 294-4/2577), transverse shrinkage is 0.0070 cm/cm (0.0070 in/in) for 60x60x2 mm samples.
- Melt Flow:Per ISO 1133, the melt flow rate is 20 g/10 min at 300°C (572°F) under a 1.20 kg (2.65 lb) load, reflecting processability in molding.
Polymer Properties:
- Base Material: Polycarbonate (PC)
- Modification Features:
- Significantly enhances impact resistance for durability.
- Provides excellent optical clarity for transparent uses.
- Ensures stability in elevated temperature conditions.
- Displays low water absorption for dimensional steadiness.
- Resists various chemicals for wide – ranging applications.
Applications:
- Automotive: Headlamp lenses, instrument panels, and interior trims, meeting automotive industry requirements for clarity and durability.
- Electronics: Display covers, computer housings, and smartphone frames, providing protection and maintaining a sleek appearance.
- Aerospace: Interior cabin components and aircraft windows, fulfilling the need for lightweight yet strong materials.
- Optics: Camera lenses, optical fibers, and light guides, taking advantage of its optical properties.