Quote Originally Posted by sanking
Hi Sean,

Based on my testing of this type of UV tube (i.e. sprial UV BLB tubes) an array of 20 watt tubes should provide enough UV radiation to print with UV sensitive processes.

For best resuls place the bulbs as close together as possible, and plan for a bulb to printing frame distance of no more than about four inches..

Sandy
That sounds promising since they are pretty cheap, if I am printing 8x10 should my array be 11x14 to be safe? Thanks