Crystic® GT-900 is a pre-accelerated, isophthalic polyester-based gelcoat or decor. For spray applications.
Crystic® GT-900 is most commonly used in the watercraft manufacturing and repair, transportation industries, as well as in various sports equipment, artwork and architectural applications. Can also be used as a composite mould gelcoat.
USED:
The application thickness of Crystic® GT-900 should be approximately 0.6-0.8 mm or 600-800 microns, which is approximately 600-700 grams of gelcoat per square metre. Gelcoat can be used as a topcoat by adding and stirring in 2-4% Crystic® Solution MW paraffin.
Crystic® GT-900 is approved by Lloyd’s Register for the use of gelcoat in ship and waterway construction and repair work.
Application time of gelcoat using 2% Butanox M50 hardener and time between coats (if necessary):
| Temperature | Working time (using 2% Butanox M50 hardener) | Time between coats (using Butanox M50 hardener) |
| 15ºC | 19 minutes | 90 minutes |
| 20ºC | 12 minutes | 45 minutes |
| 25ºC | 9 minutes | 30 minutes |
| 30ºC | 6 minutes | 25 minutes |
The package contains the required amount of Butanox M50 hardener.
Theoretical coating with 1 kg of gelcoat:
| 0.5 kg | 0.83 m2 |
| 1 kg | 1.67 m2 |
| 3 kg | 5.00 m2 |
| 5 kg | 8.33 m2 |
| 19.5 kg | 32.5 m2 |

