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Makroblend® EL703

Technical Datasheet | Supplied by Covestro
Makroblend® EL703 by Covestro is an impact modified, flame retardant, UV stabilized, unreinforced polycarbonate (PC) and polyethylene terephthalate (PET) blend. It is suitable for processing by injection molding.
  • It exhibits high flow, good impact strength, dimensional stability, heat resistance, impact resistance and chemical resistance.
  • It is recommended for outdoor electrical enclosures.
  • Makroblend® EL703 is UL746C f1 rated and complies with UL 94 V-0 & 5VA flame rating.
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Makroblend® EL703
Technical Datasheet | Supplied by Covestro
REQUEST A SAMPLE ORIGINAL DATASHEET CONTACT SUPPLIER
Product Type
PC (Polycarbonate) > PC + PET
Product Status
COMMERCIAL
Applications/ Recommended for
  • Electrical markets > Housings
  • Injection molding - thermoplastics
Labels/Agency Rating
UL746C f1 rated
Key Features
  • Chemical resistance, Good
  • Dimensional stability, Good
  • Flame retarded
  • Flow, High
  • Heat Resistance, Good
  • Impact Properties, Good
  • Impact modified
  • UV-Stabilized

Makroblend® EL703 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Volume Flow Rate (MVR)
26 cm3/10 min
(At 270°C, 5 kg) 
ISO 1133
Linear Mold Shrinkage, Flow
0.6 - 0.8 %
(At 600bar) 
ISO 2577
Water Absorption at Saturation
0.5 %
(Water at 23 °C) 
ISO 62

Makroblend® EL703 Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Injection Velocity
200 mm/s
Melt Temperature
260 - 280 °C
Barrel Rear Temperature
245 - 255 °C
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