LOW ODOR, CURES IN SECONDS, GUARANTEED TACK-FREE WHEN CURED WITH OUR SOLAREZ UV LIGHT SYSTEMS! Thick - Hard Formula Hard, very viscous for making thick coatings or spheres - bodies, heads, eyes Build fly fishing heads and bodies Viscous formula, easier to work with Usage tips:a Apply in shade. Irradiate with intense UV light for ONE SECOND. Wait 15 seconds. Irradiate again for one second. Wait. Complete with 30 full seconds UV light. This technique will reduce heat & shrinkage. a If you want to reduce viscosity, simply heat resin in the bottle in a microwave for a few seconds (depending on wattage). Conversely, if you desire a thicker yet resin, store the bottle in the refrigerator for an hour or so.