by SpecialChem

Makrolon® 2658 RE

Technical Datasheet | Supplied by Covestro

Makrolon® 2658 RE by Covestro is a partially bio-circular, biocompatible, medium viscosity polycarbonate (PC) grade. It is suitable for ETO and steam sterilization at 121°C. It offers easy release. It is processed by injection molding. Recommended for medical devices. Makrolon® 2658 RE complies with UL 94 HB & V-2 flame rating and is ISCC PLUS certified.

Makrolon® 2658 RE Properties

Physical Properties

Value & Unit

Test Condition

Test Method

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

13 g/10 min

(At 300°C, 1.2 kg)

ISO 1133

Melt Volume Flow Rate (MVR)

12 cm³/10 min

(At 300°C, 1.2 kg)

ISO 1133

Linear Mold Shrinkage

0.6 - 0.8 %

(Parallel/Normal)

ISO 2577

Injection Properties

Value & Unit

Test Condition

Test Method

Melt Temperature

280 - 320 °C

Barrel Rear Temperature

250 - 270 °C

Barrel Middle Temperature

270 - 290 °C

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Makrolon® 2658 RE

Makrolon® 2658 RE Properties

Physical Properties

Makrolon® 2658 RE Processing Guidelines

Injection Properties