Buff, White, Black, Medium Grey knife grade are high quality polyester mastic adhesives used to vertically and horizontally repair, rebuild, glue, and fill marble, granite and engineered stones. Colored knife grade will cure shiny and is very polishable. Not suitable for temperatures below 32°. Recommended for interior use. Other colors available upon special request.
Recommended for interior use. Gel time in bulk at 77 F 5-7 min. Tacky free time at 77 F 15-20 min. Working time at 77 F 60-80 min. Temp range for use after hardening 32 F to 230 F. Ratio of glue to hardener: 100/2-3% in weight