by SpecialChem

Makroblend® M4000 FR

Technical Datasheet | Supplied by Covestro

Makroblend® M4000 FR by Covestro is a flame retardant, biocompatible polycarbonate (PC) & polybutylene terephthalate (PBT) blend. Exhibits high toughness, modulus, excellent flow and high.

Provides reduced susceptibility to stress cracking.
Recommended for electronic medical devices.
Makroblend® M4000 FR complies with ISO 10993-5 (cytotoxicity), ISO 10993-10 (irritation & sensitization) and UL 94 V0 & 5VA flame rating.

Makroblend® M4000 FR Properties

Flammability Properties

Value & Unit

Test Condition

Test Method

Thermal Conductivity

0.2 W/m-K

(At 23°C, 50% RH)

ISO 8302

Flame Rating, UL 94

V-0

(At 2.0 mm)

Flame Rating, UL 94

5VA

(At 2.3 mm)

Injection molding Properties

Value & Unit

Test Condition

Test Method

Melt Temperature

250 - 270 °C

Barrel Rear Temperature

245 - 255 °C

Barrel Middle Temperature

250 - 260 °C

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Makroblend® M4000 FR

Makroblend® M4000 FR Properties

Flammability Properties

Makroblend® M4000 FR Processing Guidelines

Injection molding Properties