450 is plenty for just a coaster I might say!) Casting resin has plenty of other similarities with art resin in that it also has UV stabilizers included to it (although I might say from expertise that art resins ordinarily have additional In picking the appropriate epoxy resin in your https://letsbookmarkit.com/story13945566/how-much-you-need-to-expect-you-ll-pay-for-a-good-sculpture-resin