SA5 Universal Retarder is specifically engineered to reduce the viscosity and slow down the dry-time of our waterborne coatings during high temperature applications. SA5 is best used when EMTECH Series WB finishes are being applied with turbine HVLP spray equipment or when the substrate surface being finished is above room temperature. Start with a measured amount of 5% by liquid volume when used for spray applications. Use an addition of 10-20%, SA5 to improve the brushing and wiping actions of all our systems.