High Definition Marine Gel Coats are based on HK's unique Acrylic Modified 100% NPG/Isophthalic Polymer backbone and formulated to meet the need for high quality exterior marine gel-coat applications. HK Research gels have HAP contents below the EPA Boat MACT maximum, are blush resistant, have excellent performance on exposure to UV, user friendly (flow, leveling and air release), and are easily repaired.