ECOGARD ® B45 ECOGARD® B45 is a flame retardant for universal use ECOGARD® B45 protects all absorbent natural materials and many synthetics. Add ECOGARD® B45 to emulsion and latex paints to make normally flammable paints flame retardant. ECOGARD® B45 is able to make less absorbent surfaces such as straw or reeds flame retardant thanks to its high cross-linking ability. The state-of-the-art formula used in ECOGARD® B45 makes sure materials remain soft to the touch and largely prevents the formation of salt scum and other stains on remoistening. ECOGARD® B 45 is certified pursuant to DIN4102.