Nicpro UV Resin Work Well with Mica Powders Pigments and Gold Foils Here s what you need to know to make a successful UV resin project Please select the correct mould. Any mold that is large deep or opaque is not for UV resin. Please make sure you are using the correct UV light/lamp. ?36W? Please make sure both the upper side and bottom side get enough UV light. Black color pigments is tricky to work with UV resin please mix a tiny amount of black pigment and cure it in layers. Crystal Clear & Non-Yellowing Nicpro uv resin contains anti-yellowing additives refractive index 1.5 times higher making the finished work more transparent than other UV resin. High Gloss & Bubble Free Our resin uv is self leveling and self degassing. Carefully and thoroughly avoiding forming bubbles you will get a ultra-clear resin projects. Low Odor & Safe To Use Made of premium non-toxic material our uv epoxy resin features by low odor & food safe no worry to use. Hard as Rock After curing our UV epoxy resin will hard as rock which the hardness after curing is 90D+. QUESTIONS & ANSWER Q: How to remove the bubbles? A: You can remove the bubbles with a toothpick and also can heat up the uv resin with a heating plate or using a heat gun. Q: How long does this UV resin take to fully cure? A: It depends on the thickness of the resin projects you want to make and the lights you use (36W recommended). For small artworks like earrings and some keychains it only takes 2-4 minutes per layer. Larger artworks may take longer. Q: Why hasn t it cured after 4 minutes? A: If the resin glue layer is thin it will be cured by shining a 36W UV light for 2-4 minutes. If the resin glue layer is thick it will be cured for 6-8 minutes. Curing time is affected by factors such as UV intensity glue volume and temperature.