Curing agent,hardener,matt hardener,Designed for 2K topcoat and clear coat. High concentrated, yellow resistant hardener . Standard, quick-drying and slow-drying types are available for different varieties, And available to match different application requirement and temperatures.Matching products QB 2K pure color paint, Q100S mirror-effect varnish match Q180 \ Q300S special-grade varnish,Features Quick-drying driers Q180 Q222 Contain catalyst composition,designed for top coat. With a short curing duration, improving the hardness of paint film.Applicable for part repair and application at low temperature. Standard driers Q180 Q222 Standard types of curing agent designed for top coat. improving the hardness of paint film. excellent flowing and flattening effect. With extensive applications, Suitable for overall spray or repair part. Slow-drying driers Q180 Q222 Slow-drying types of curing agent in moderate concentrations designed for top coat. Suitable for overall spray or repair part in high temperature and may create an good flowing and flattening effect. Drying time and mixing ratio Different products mixing has different drying time.Please refer to product user guide for detailed information. Storage life Quick-drying series: Store for half a year or longer keep in original container at 20. Standard and slow-drying series: Store for one year or longer keep in original container at 20. Packaging 1 Litre and 2.5 Litre canned.