OPTIMIX FH919 Floor Hardener is a premium quality premixed powder consists of special cements, finely graded fillers, high quality polymers and chemical additives. It is mainly used to increase wear resistant of concrete floors or slabs. It is designed to be applied by dry-shake method onto freshly laid concrete to form a high strength composite surface layer. With OPTIMIX FH919, both the strength and abrasion resistance will be enhanced significantly. Moreover, the common surface cracking and dusting problems of traditional concrete floor can largely be minimized. Different types of metallic and non-metallic fillers for superior wear resistance are available to suit ultra heavy duty applications.