BLACK SANDING PRIMER GEL COAT

The HK Research Corporation’s LHA-3500 Gel Coat is a low HAP hybrid-ISO product that offers a durable surface with a gel time of 35-45 minutes and a sandable cure time of 45-60 minutes. Featuring a Barcol hardness of over 40 units, it is suitable for a range of applications and has an extended shelf life.