Slow Hardener is a 2:1 non-blushing hardener. It can be paired with our LV Resin or FLAG Resin and mixed with the 2:1 Medium Hardener and/or Fast Hardener, making it one of the most versatile epoxy hardeners on the market. You get more time than with other supplier’s “Slow Hardeners” so it’s easier to work with in high temperatures and for beginners. Slow Hardener gives you strength, beauty and a four-hour working time.