Process

Pultrusion is a further-developed processing technique to meet the increasing demand for (glass) fiber reinforced composites with good mechanical and physical properties. This production method of reinforced polyester profiles enables us to respond to the wishes of constructors regarding material properties and construction possibilities. The most important variables are fiber reinforcement, type, quantity and fiber orientation, which strongly influence the mechanical properties of the profiles. If you indicate your wishes and application areas, we will set to work to come up with a suitable advice for you. We build what you want!

Glass is by far the material most widely used for fiber reinforcement; furthermore, high-quality reinforcements such as carbon and aramid are increasingly used. This especially holds true for products used in special circumstances, such as extremely high or low temperatures, or subject to extreme mechanical load. The different types of glass fiber reinforcement are used in the form of:

 Smooth unidirectional roving (direct draw)
 Unidirectional spun roving (bulkies)
 Mats
 Woven roving
 Combination mats (with loose fibers or surface mats)

Apart from rovings, which must always be used for process-technical reasons, it is often desirable to also use mats and/or fabrics to achieve certain strength in lateral direction. To improve the weather resistance, many times a synthetic (mostly polyester) surface film is used which gives the glass fiber reinforcement of profiles a protective layer.

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