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This item is eligible for free shipping on orders over $99.99
Quantum Brushing Activator is the correct converter for Quantum 99 polyurethane topcoat and Quantum UV varnish when applying by brush or foam roller on wood and fiberglass/gelcoat surfaces.
Available in Pints and Quarts.
Mix Ratio (Brush/Roll): 2:1
Induction Period: Allow mixed material to stand for 30 minutes prior to reduction and application.
Reduction (Quantum99 Series Topcoats): Reduce up to 1 part or 33%, as needed, using Quantum Brushing Reducer.
Example: 8 oz. Quantum99 Topcoat Base, 4 oz. Quantum99 Urethane Brushing Activator, and 0 to 4 oz. Quantum Brushing Reducer.
Reduction (QuantumUV Urethane Varnish): Though not normally required, a 10-30% reduction with Quantum Brushing Reducer may help to achieve desired results.
Example: 8 oz. QuantumUV Urethane Varnish, 4 oz. Quantum99 Urethane Brushing Activator, and 1 to 4 oz. Quantum Brushing Reducer, as desired.
Note: See Quantum99 Topcoat and QuantumUV Clear Urethane Varnish How To guides (at left) for complete mixing and application instructions.
Reviews for Quantum 99 Brushing Activator
June 26, 2019
Verified Purchase
This was the worst varnish I have ever tried to brush. I did everything by the instructions and it says "self leveling" Not a chance... Will not use this ever again.
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September 5, 2016
Verified Purchase
Looks great! Easy to use with foam brush. It is a thin coating so watch for runs. Be sure your wood is truly well-prepared or you may get areas where coating does not adhere properly.
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