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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Makroblend® EL4000

Technical Datasheet | Supplied by Covestro
Makroblend® EL4000 by Covestro is a semi-crystalline, flame retardant, ultra-tough blend of polycarbonate and polyester resin. It exhibits high level of chemical resistance against many of the most aggressive disinfectants, which are used more frequently to combat hospital acquired infections. Also exhibits resistance to lubricants, solvents and cleaning agents. Shows reduced susceptibility to stress cracking, great paintability, good flowability and low moisture uptake. Makroblend® EL4000 can be processed using injection molding. Applications include medical devices, equipment housings and enclosures, as it helps protect their electronics and electromechanical components in clinical settings.
Product Type
PC (Polycarbonate) > PC, other Alloy
Product Launch Date
Feb 20, 2015
Product Status

Makroblend® EL4000 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Volume Flow Rate (MVR)
20 cm3/10 min
(260°C, 5Kg)
ISO 1133
Linear Mold Shrinkage
0.8 - 1.0 %
(Parallel, 600 bar)
ISO 294-4, b.o ISO 2577

Makroblend® EL4000 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
240 - 260 °C
Mold Temperature
45 - 75 °C
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