Highly conformable breather used for complex composite cures combined with bagging kit to allow for minimal touch labour in bag fit. Non-woven breather consisting of 100% high melt polyester veil. Used for the production of thermoplastic parts in an autoclave where thicker breathers cause issues with layup. Available with or without resin binders. Ideal substitute for glass fabrics, as its flexibility helps to overcome issues with reticulation in corners. High tensile strength. Maximum use temperature: 400°C (752°F). Color: White. Fibre: Polyester. Weight: 68g/m2.


  • Global Business Unit
    Composite Materials


Segments Applications
Lightweighting Structural & Semi-Structural Parts
Segments Applications
Airframe Primary structural materials

Chemical categories

Chemical category Chemical family Chemical product
Process Materials Breather Polyester

Region of commercial availability

  • Asia / Pacific
  • Europe / Middle East / Africa
  • North America
  • Latin America

Download documentation for 4819FR