DiamondClear™ MV is a medium-to-low viscosity glass crack repair resin as well as an acrylic acid free resin. It is stronger, more weather resistant, and it has an enhanced refractive index. It is used with bulls-eyes and combination breaks. Typical temperature use for the DiamondClear™ MV is between 65-85 degrees F. Our most popular product. Available in 15cc and 30cc bottles