We use HC Fine Finishes for any clear or pigmented conversion varnish finishes. We've been working with them for years, and they do an incredible job. Their turnaround time is typically 1-2 weeks.
We are happy to provide you with samples for your project. Due to recent CalEPA regulations, the costs for and the costs to dispose of unused conversion varnish have skyrocketed. As a result, we charge $250 per 12" x 12" sample requested. This cost will be credited back to you for each color used in the project.