What is the working time of this resin under your standard conditions? Monica P. October 02, 2020 14:04 The work time is 30 -35 min Related articles Have you performed any experiments that prove no/little yellowing over time? What is the ProArt heat resistance? Can I use a brush to spread this product or does it have to be poured? Using a torch or heat gun to remove resin bubbles… Does it contain both HALS and UV stabilizers for UV protection against yellowing? Comments 0 comments Article is closed for comments.