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Makrolon® DP1-1821

Technical Datasheet | Supplied by Covestro

Covestro

Makrolon® DP1-1821 by Covestro is a high viscosity and UV stabilized polycarbonate (PC) grade. It exhibits easy release and high purity. It is suitable for processing by injection molding. Makrolon® DP1-1821 is recommended for optical lenses.

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Makrolon® DP1-1821

Technical Datasheet | Supplied by Covestro

REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER

Product Type

PC (Polycarbonate) > PC

Physical Form

Granules

Appearance

Clear

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

Optics > Lenses
Injection molding - thermoplastics

Key Features

Purity, High
UV-Stabilized
Viscosity, High

Makrolon® DP1-1821 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Melt Volume Flow Rate (MVR)

6 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)

6.5 g/10 min

(At 300°C,1.2 kg)

ISO 1133

Linear Mold Shrinkage, Flow

0.7 %

(At 60x60x2 mm, 500 bar)

ISO 294-4

Makrolon® DP1-1821 Processing Guidelines

Injection Properties

Value & Unit

Test Condition

Test Method

Melt Temperature

300 °C

Mold Temperature

80 °C

Injection Velocity

200 mm/s

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