Application Type Bond 1 Part or 2 Part 1 Part Material Form Liquid Substrate Acrylic, Ceramic, Vinyl, Cement, Cement backer board, Concrete, Terrazzo, Chip Board, PlyWood, Wood Industry Shorts hardwood flooring Manufacturer Bostik Chemistry Urethane, V.O.C. Compliant Application Method Trowel Cure Method Moisture Cure Time (min) 480 to 600 Viscosity (cPs) 220,000 Color Eggshell, Eggshell High Temperature Resistance (°C) 66 Low Temperature Resistance (°C) -40 Durability Tough Density (g/cm³) 12.66 (weight (lbs/gal))
Technical Data for Bostik Best Wood Flooring Urethane Adhesive
Application Temperature (°F) 50 to 100 Cure Time (min) 480 to 600 Viscosity (cPs) 220,000 Work / Pot Time (min) 180
Shear Strength (psi) >300 Test Method Tensile Strength (psi) >185
High Temperature Resistance (°C) 66 Low Temperature Resistance (°C) -40
Durability Tough Elongation (%) >150 Flexibility Tenacious, Flexible
Flash Point (°F) 142.0 Test Method % Solids (%) >95 Density (g/cm³) 12.66 (weight (lbs/gal))
Shelf Life Details Store at temperatures between 50°F and 100°F. Shelf life is one year from date of manufacturing in closed, original packaging. Shelf Life Temperature (°F) 50 to 100 Shelf Life Type From the date of manufacture Shelf Life (mon) 12
Best Practices for Bostik Best Wood Flooring Urethane Adhesive
Surfaces must be clean, dry and smooth
free of voids, projections, loose materials, oil, grease, sealers and all other surface contaminants. If there are any moisture related concerns, or if solid wood is being installed, completely remove cutback adhesive residue by sandblasting, shotblasting or scarifying. When sandblasting, shotblasting or scarifying, surface texture must be similar to light broom finished concrete. Maximum acceptable floor variation is 3/16" in 10 feet. Surface areas requiring patching or leveling must be done using a Portland cement based material (i.e. Bostik Fast Patch 102™, SL-150™, or SL-155 Fast Set).
Humidity affects cure to a greater degree than temperature. The higher the humidity, the faster the cure. Under normal conditions, light foot traffic is acceptable after 8 to 10 hours, normal traffic after 24 hours.
As you work, immediately clean any adhesive from prefinished flooring with Bostik’s Ultimate Adhesive Remover™ or mineral spirits (be careful not to harm finish),and then dry buff with paper towel. Immediately clean all tools and equipment with Bostik’s Ultimate Adhesive Remover™, or mineral spirits before material cures.
TROWEL CLEAN -UP TIP: Before use, cover areas of the trowel that are not used to spread the adhesive with gray duct tape. After use, simply tear off tape before material cures, and clean remainder of trowel with adhesive remover.
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