DRYING

Tim Bearnes, CEO504 West Industrial Road

Laurel, NE 68745(402) 256-9053

PROCESSING NOTES Material should be dried

Extruder should be purged with general purpose polypropylene if not in operation for more than 15 minutes

Avoid over packing material in extruder

Do not exceed an operating melt temperature of 390 °F

Mechanical Property

Specific Gravity (g/cc) 1.01

Clarity Opaque

Melt Temperature 360 - 380 °F

Feed Throat 70 °F

Feed Temperature 300 °F

Compression Section 320 - 340 °F

Metering Section 360 - 380 °F

Nozzle 360 - 380 °F

Mold 150 °F

Screw Speed 60 - 80 RPM

Back Pressure 10 - 40 psi

Molding Parameters

Processing Temperature Profile

Laurel BioComposite, LLC.Bio-Res™ PP Technical Data Sheet

MFR (g/10min 190 °C, 2.16 kg) 8 D1238

Flexural Strength (MPa) 35 D790

Material should be dried according to standard PP drying

procedures. In line drying is recommended to maintain

moisture under 1%. Drying can be complete in 2 hours at

175 °F.

Material and Application Properties

Physical Property1 Bio-Res PP (33%) ASTM Method

Tensile Yield Strength, psi (MPa) 2740 (18) D638

Tensile Elongation % 21 D638

Flexural Modulus (PSI) 1400 D790

1 - composed of 20% Bio-Res powder

Notched Izod Impact, ft-lb/in (J/m) 6.6 (352) D256