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Makrolon® 3258

Technical Datasheet | Supplied by Covestro

Covestro

Makrolon® 3258 by Covestro is a high viscosity polycarbonate (PC) grade. It is suitable for EtO and steam sterilization at 121°C. It exhibits easy release. It is suitable for processing by injection molding. It is recommended for medical applications. Makrolon® 3258 is biocompatible according to ISO 10993-1 test requirements.

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Makrolon® 3258

Technical Datasheet | Supplied by Covestro

REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER

Product Type

PC (Polycarbonate) > PC

Physical Form

Granules

Appearance

Transparent, Opaque

Product Status

COMMERCIAL

Geographical Availability

Africa, Asia / Pacific, Central and Eastern Europe, Middle East and Central Asia, North America, South and Central America, Western Europe

Applications/ Recommended for

Healthcare / Medical
Injection molding - thermoplastics

Labels/Agency Rating

Biocompatible acc. to ISO 10993-1

Key Features

Biocompatible
Sterilization, Ethylene Oxide
Viscosity, High

Makrolon® 3258 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Melt Volume Flow Rate (MVR)

5 cm³/10 min

(At 300°C, 1.2 kg)

ISO 1133

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

5.5 g/10 min

(At 300°C, 1.2 kg)

ISO 1133

Linear Mold Shrinkage, Flow

0.7 %

(At 60x60x2 mm³, 500 bar)

ISO 294-4

Makrolon® 3258 Processing Guidelines

Injection Properties

Value & Unit

Test Condition

Test Method

Melt Temperature

290 - 330 °C

Mold Temperature

80 - 120 °C

Injection velocity

200 mm/s

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