Resolcoat VI5090 Epoxy Compatible Clear Vinylester Gelcoat for Brush
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The Resolcoat VI5090 is a high resistance epoxy compatible gelcoat formulated on a vinylester resin base. Its main characteristics are a very high resistance to solvents and chemical agents, which makes it an excellent product for tooling.
The Resolcoat VI5090 is a high resistance gelcoat formulated on a vinylester resin base. Its main characteristics are a very high resistance to solvents and chemical agents, which makes it an excellent product for tooling, but also its high TG of 105 degrees makes it a product of choice for Pre-preg parts, as Resoltech states. We, Castro Composites, recommend to carry out trials for these type of applications as we do not recommend the use of gelcoats when using prepress. Rather than this, we enthusiastically recommend this gelcoat for tooling produced with both vinylester or epoxy resins.
For tooling, the VI 5090 enables the mould to have a permanent high gloss aspect resisting to many cycles between waxing/polishing. Thanks to its low dilatation module when exposed to temperature and its flexibility, the VI5090 is not prone to cracks and the appearance of mat zones.
The Resolcoat VI 5090 comes in a neutral (transparent) color but can be delivered in any RAL color or with RAL pigments.
In order to spray the VI 5090, it is possible to dilute it with styrene up to 5% and acetone up to 3%. To avoid any risks of porosity, we recommend to catalyze the VI5090 with MEKP (2 to 2,5%). As always when using a product in a new application, it is always recommended to test the system on a small surface of the same characteristics of the main surface to be sprayed or painted with rollers or brushes.
Gel time at 25 ºC with 2% of MEKP: 25-45 min
Heat distortion temperature: 105 ºC
Type of supply
Resolcoat VI5090 Clear Vinylester Gelcoat Compatible Epoxy x 1 kg, supplied with 20 g of MEKP catalyst
Resolcoat VI5090 Clear Vinylester Gelcoat Compatible Epoxy x 5 kg, supplied with 100 g of MEKP catalyst
Resolcoat VI5090 Clear Vinylester Gelcoat Compatible Epoxy x 25 kg, supplied with 0.5 kg of MEKP catalyst
Download Technical Data Sheet