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Fiberglass reinforced composites

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Why choose a fibreglass Composite application?

It's difficult to categorize components manufactured by using fibreglass reinforcement constructions due to the many advantages given by choosing such a solution. Fibreglass composite products are thus utilized in many different types of industries with windmills and the boating industry being some of the best known.

Below are few of many advantages which can be achieved by choosing a fibreglass composite solution:

  • Great liability
  • Great strength though light weight
  • Extreme corrosion resistancy
  • Fire resistancy
  • Chemical resistancy
  • High surface finish - UV resistancy
  • Durable surface
  • Sound and heat insolating
  • Non or minor maintenance
  • Long product life​

How is a fibreglass composite application manufactured?

Fibreglass application are usually based on three (3) components, but in case one wishes to benefit from a sandwich construction, a fourth element could be brougth into use: sandwich materials.


Gelcoat is used if a certain surface finish is required. Otherwise a top coat is used when the exact requirements for a surface are of less importance.

Gelcoats and Topcoats are sourced from designated suppliers and comes in a large variaty of qualities and RAL colours.


Polyester is a plast matrix which is applied onto the glass, and when it's curred it will finally form the shape of the application. Polyester is most often used as matrix, but both vinylester or phenol can be used in case of chemical or fire retardant requirements.

Fibreglass (reinforcement)

Fibreglass mats comes in different varieties and the use is depending on directional or radial strength properties. Chopped mats has multi directional strentgh properties whereas specially woven or stitched mats are giving the applications directional properties. The choice of fibreglass mats are typically depending on the requirements for mechanical strength and the choice of production process.

Sandwich materials

The reason for chosing a sandwich fibreglass construction is most likely due to a wish for achieving a sound and/or temperature isolating effect. Additionally a sandwich construction gives great advantages related to strict requirements towards low weight but high strength. PUR foam, XPS foam, PVC foam or balsa wood can advantagely be used in a sandwich application.

Dansk Polyglas A/S

Industrivej 12

5672 Broby

CVR: DK21802042

Phone: +45 62 64 12 00

Fax: +45 62 64 12 09

E-mail: post@polyglas.dk

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