A mixture of our highest-strength resin, our Vinyl Ester Epoxy, fiber reinforced w/ both glass ceramic fiber resin and an amazing solar-activated catalyst. Use Solarez Extreme on Marine, Automotive, Sporting Goods, Houseware & Appliances, Camping & Backpack, Home & Garden, Equipment Maintenance, Hobbies & Crafts, Agriculture, Pool Equipment, Industry Will remain liquid until exposed to direct sunlight. These resins cure exceptionally dry unlike other UV cure resins that cure tacky. Note: NOT for use on EPS (Styrofoam) cores., Weight: 0.15 Pounds, Manufacturer: Wahoo International, Inc.