Medium viscosity COVESTRO Polycarbonate PC resin Makrolon 2856 pc granules

Physical Properties

Metric

English

Comments

Bulk Density 

0.660 g/cc

0.0238 lb/in³

Pellets; ISO 60

Density 

1.20 g/cc

0.0434 lb/in³

ISO 1183

Moisture Absorption at Equilibrium 

0.12 %

0.12 %

ISO 62

Water Absorption at Saturation 

0.30 %

0.30 %

ISO 62

Water Vapor Transmission 

15.0 g/m²/day
@Thickness 0.100 mm,
Temperature 23.0 °C

0.966 g/100 in²/day
@Thickness 0.00394 in,
Temperature 73.4 °F

85% RH; ISO 15106-1

Oxygen Transmission 

650 cc-mm/m²-24hr-atm

1650 cc-mil/100 in²-24hr-atm

cm³/(m²·24 h·bar), 100 µm film; b.o. ISO 2556

2760 cc-mm/m²-24hr-atm

7010 cc-mil/100 in²-24hr-atm

cm³/(m²·24 h·bar), 25.4 µm (1 mil) film; b.o. ISO 2556

Nitrogen Transmission 

120 cc-mm/m²-24hr-atm

305 cc-mil/100 in²-24hr-atm

cm³/(m²·24 h·bar), 100 µm film; b.o. ISO 2556

510 cc-mm/m²-24hr-atm

1300 cc-mil/100 in²-24hr-atm

cm³/(m²·24 h·bar), 25.4 µm (1 mil) film; b.o. ISO 2556

Carbon Dioxide Transmission 

3800 cc-mm/m²-24hr-atm

9650 cc-mil/100 in²-24hr-atm

cm³/(m²·24 h·bar), 100 µm film; b.o. ISO 2556

16900 cc-mm/m²-24hr-atm

42900 cc-mil/100 in²-24hr-atm

cm³/(m²·24 h·bar), 25.4 µm (1 mil) film; b.o. ISO 2556

Linear Mold Shrinkage 

0.0060 – 0.0080 cm/cm

0.0060 – 0.0080 in/in

parallel/normal; b.o. ISO 2577

Linear Mold Shrinkage, Flow 

0.0070 cm/cm

0.0070 in/in

60x60x2 mm; 500 bar; ISO 294-4,2577