Polyurea-Gelcoats

Polyurea-Gelcoats

Polyurea-Gelcoats

Product catalog summary
Introduction
The document introduces FREOPUR-Polyurea-Gelcoats, an innovative gel coat based on an aliphatic polyurea system. This new product offers a significantly lower coating thickness compared to conventional polyester gel coats and boasts excellent UV resistance.

Product Specifications
The FREOPUR-Polyurea-Gelcoat is a cross-linked product of a 2C system with an amino functional A-side and an aliphatic polyisocyanate B-side. Key properties include:
  • Surface quality: Precise replication
  • Stability under 100 kg load: No warpage
  • Impact stress resistance: No deformation from 200 g at 100 cm
  • Chemical resistance: No change with acetic acid 10%, sodium hydroxide 5%, ethanol 70%, methylene blue 1%
  • Anti-slip compliance: DIN CES/TS 16165, Approx. 9
  • Scratch resistance: DIN EN ISO 1518 Part 1, scribe stylus A, 2
  • Light resistance: QUV-B 100 h, Colour shade deviation dE 0.28, Residual gloss 80%
  • Solid mass: 96%
  • Processing time: 40 - 200 seconds

Production and Application
The gel coat allows for short curing times, enabling cycle times in component manufacturing similar to pressed parts. Processing requires special 2C high-pressure systems and tailored forming geometry. Initial investment in production processes, plant technology, and mold making is necessary. The coating system can be ordered as a liquid component, offering flexibility in color and design.

UV Stability Comparison
A comparison of UV stability shows that the polyurea gel coat exhibits virtually no optical change after 500 hours of UV-B exposure, unlike conventional UP gel coats.

Conclusion
The FREOPUR-Polyurea-Gelcoat represents a significant advancement in gel coat technology, offering superior performance in terms of UV resistance, chemical resistance, and mechanical stability. It is ready for series production and offers various application possibilities.
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Catalog excerpts

Polyurea-Gelcoats-1

FREOPUR-Polyurea-Gelcoats Innovative and ready for series production. Our new gel coat based on an aliphatic polyurea system allows a considerably lower coating thickness in comparison to conventional polyester gel coats. A further advantage is the exceptionally good UV resistance.

 Open the catalog to page 1
Polyurea-Gelcoats-2

FREOPUR-Polyurea-Gelcoat Innovative and ready for series production. After long years of development work, first successes and series production have now been established. Polyurea, a cross-linked product of a 2C system with an amino functional A-side and an aliphatic polyisocyanate on the B-side, is the magic word. The properties of this new product series in the FreiLacke family are highly presentable. The advantages are easy to see and are indicated in the following table by means of a sanitary gel coat: Result Surface quality Precise replication Impact stress Chemical resistance in accordance...

 Open the catalog to page 2

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