Acrystal Optima

Acrystal Optima poeder
Acrystal Optima poeder
  • For large projects
  • Specially for castings
  • No solvents, no smell

Acrystal Optima is an inexpensive casting material. Ideal for larger projects where price plays a role. This material is also suitable for making gel coats, so that the surface of the casting can be made with the same material.

Acrystal Optima is water-based, fast-curing and safe to use. It gives a hard surface and is safe for foams like polystyrene.

Casting Acrystal Optima is ideal in silicone molds.

Features Acrystal Optima

  • UV resistant
  • Water-based, solvent-free
  • Safe to use (odourless, no fumes or toxic substances)
  • Can be filled with fillers (such as sand and marble) for various effects
  • Fireproof

Product properties

Mixing ratio: 1:3 (parts by weight)
Processing time: approx. 8-10 minutes (the processing time can be extended with a retarder)
Colour: ivory white (can be coloured with pigments)
Hardness: 85 (shore D)
Full cure: after approx. 72 hours
Demoulding time: approx. 5 days
Packaging: 13.3 kg (10 kg powder)

13.3 kg (10 kg powder, 3.3 kg liquid)
80 kg (60 kg powder, 20 kg liquid)

Other Acrystal products

Acrystal Optima is suitable for castings. For other applications we sell other types of Acrystal:

Laminating: use for laminations Acrystal Prima.

Aquarium: use Acrystal Aqua for products that are continuously immersed (for example suitable for applications in aquariums).


We have a number of recommendations for working safely with polymers. At Polyestershoppen you will not only find the polymers themselves, but you can also purchase all the protective equipment you need from us. If you have any doubts or questions, please contact our customer service. We can give you advice on how to work safely with polymers.

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