Gulff resins dry 100% tack-free and cure in just seconds. These are a medium viscosity fluorescent opaque UV resin. They are biodegradable, do not contain products listed as carcinogens (yippee), do not include any substances known to be marine pollutants according to IMDG code, and do not include any environmentally hazardous substances according to ADN. In short, they are much less toxic than other UV resins! Please note that due to the high pigment content, this product cannot be used on wide surfaces or in thick coats.