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CALIBRE™ 621-2

Technical Datasheet | Supplied by Trinseo

CALIBRE™ 621-2 is a branched polycarbonate resin. Offers brilliant optical appearance, excellent impact resistance, excellent processability and practical toughness. Possesses very high ductility and toughness over a wide temperature range. Is suitable for processing by sheet extrusion, injection molding and blow molding with specific rheological behavior being engineered. Used in blow molded water bottles and appliance industries. Complies with US FDA (21 CFR 1777.1580).

CALIBRE™ 621-2 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Density

1.20 g/cm³

ISO 1183/B

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

2.0 g/10 min

(At 300°C,1.2 kg)

ISO 1133

Linear Mold Shrinkage, Flow

0.50 - 0.70 %

ISO 294-4

Extrusion Properties

Value & Unit

Test Condition

Test Method

Die Temperature

245 - 255 °C

Screw Diameter

70 - 100 mm

Screw Speed

10 - 60 rpm

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CALIBRE™ 621-2

CALIBRE™ 621-2 Properties

Physical Properties

CALIBRE™ 621-2 Processing Guidelines

Extrusion Properties