by SpecialChem

Makrolon® Ai2257

Technical Datasheet | Supplied by Covestro

Makrolon® Ai2257 by Covestro is an UV-stabilized, easy release polycarbonate (PC) grade. It is developed for high-gloss surfaces with highest requirements. It is suitable for processing by injection molding. Makrolon® Ai2257 is recommended for automotive interior applications.

Makrolon® Ai2257 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage, Flow

0.65 - 0.7 %

ISO 294-4

Melt Volume Flow Rate (MVR)

35 cm³/10 min

(At 300°C, 1.2kg)

ISO 1133

Density

1190 kg/m³

(At 23°C)

ISO 1183-1

Injection Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

120 °C

Melt Temperature

280 °C

Mold Temperature

80 °C

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Makrolon® Ai2257

Makrolon® Ai2257 Properties

Physical Properties

Makrolon® Ai2257 Processing Guidelines

Injection Properties