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Product Overview SUPER SAP BRT Epoxy System is an optically brightened version of our CLR system, for white surfboard lamination and hot coating. The optical brightener enhances whiteness of polyurethane (PU) and polystyrene (EPS) foam substrates for improved showroom quality. With the same UV stability as our CLR epoxy formulation, BRT is ideal for epoxy clear coats and low yellowing finishes. This eco-friendly epoxy has an excellent viscosity for hand layup techniques and employs an air release package to ensure smooth coatings. Available in EXTRA FAST, FAST, and SLOW cure speeds – Hardener speeds can be combined to custom working times. Extra Fast Cure: 20 min pot life, 2-3 HR tack free time Fast Cure: 25 min pot life, 4 HR tack free time Slow Cure: 40 min pot life, 8 HR tack free time Two-part epoxy resin kits are comprised of Super Sap BRT Epoxy and CLX (EXTRA FAST), CLF (FAST) or CLS (SLOW) Hardener. For dark color substrate applications we recommend our CLR formula. Best Uses White Surfboards