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Makrolon® WB1239

Technical Datasheet | Supplied by Covestro

Covestro

Makrolon® WB1239 by Covestro is a high viscosity, branched polycarbonate (PC) grade. It is processed by injection stretch blow molding and extrusion blow molding. Makrolon® WB1239 is used in food contact applications like water bottles. Complies with regulations of EU and FDA.

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Makrolon® WB1239

Technical Datasheet | Supplied by Covestro

REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER

Product Type

PC (Polycarbonate) > PC

Physical Form

Granules

Appearance

Transparent

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

Packaging > Food - Bottles, transparent
Injection molding - thermoplastics > Blow molding
Extrusion > Blow molding

Food contact approval

Yes

Labels/Agency Rating

FDA

Key Features

Branched
Food contact approved
Viscosity, High

Makrolon® WB1239 Properties

Mechanical Properties

Value & Unit

Test Condition

Test Method

Nominal Strain at Break

> 50 %

(At 23°C, 50% R.H., 50 mm/min)

ISO 527-1,-2

Puncture Energy

60 J

(At -30°C, 50% R.H.)

ISO 6603-2

Puncture Energy

55 J

(At 23°C, 50% R.H.)

ISO 6603-2

Makrolon® WB1239 Processing Guidelines

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

80 - 120 °C

Melt Temperature

310 °C

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