Coremat is a polyester nonwoven that contains microspheres and is used as at thin core (bulker mat) or print blocker (liner) in fibre reinforced laminated, manufactured in Hand Lay-Up or Spray-Up processes. Coremat should always be fully impregnated with resin.The microspheares in Coremat prevent excessive resin up-take. The most important resons to use Coremat are:
- Weight saving
- Resin and glass saving
- Increase stiffness
- Fast thickness build-up
- Excellent surfase finish