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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Bayblend® M303 FR

Technical Datasheet | Supplied by Covestro
Bayblend® M303 FR by Covestro is a flame retardant polycarbonate + acrylonitrile butadiene styrene (PC+ABS) blend. Exhibits an excellent balance of properties such as rigidity, high dimensional accuracy and stability, excellent creep resistance, low moisture absorption and good heat resistance. Possesses good paintability and flowability. Provides low emissions and offers high stiffness, easy processing and high toughness – even at cold temperatures. Is suitable for contact with uncompromised skin. Processed by injection molding. Used in medical/ healthcare applications, electrical and electronic devices. Bayblend® M303 FR meets with the requirements of ISO 10993-5 and ISO 10993-10 standards.
Product Type
  • PC (Polycarbonate) > PC, other Alloy
  • PC (Polycarbonate) > > Polycarbonate + Acrylonitrile Butadiene Styrene [PC + ABS]
Product Status
Applications/ Recommended for
  • Electrical markets
  • Electronics / Computers
  • Healthcare / Medical
  • Injection molding - thermoplastics

Bayblend® M303 FR Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Modulus
2650 MPa
ISO 527-1,-2
Tensile Strength, Yield
69 MPa
(23°C, 50 mm/min, 50 % r. h.)
ISO 527-1,-2
Tensile Strain
5 %
(at Yield, 23°C)
ISO 527-1,-2
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