Description
Bona R850T® Adhesive
Bona R850T is a one-component, moisture curing, water and solvent free, silane-based adhesive for wood floors. Bona R850T provides outstanding adhesion to a variety of surfaces, and allows for the natural movement of wood flooring.
• Replaces top nailing on close-out rows and board replacements.
• Supplemental fastening for wide plank boards when nailing and gluing are needed
• Idea for projects where traditional fastening isn’t practical – hard to reach areas, radiant heat floor
• Commercial and residential. Use with solid or engineered prefinished and unfinished flooring; on,
above, or below grade1. May be used on both wood and concrete substrates
• Exceptional ridge stability provides maximum adhesive transfer
• GREENGUARD Indoor Air Quality Certified®
• Moisture protection up to 15lbs or 85% RH
• Can be used with radiant heat systems
Application Characteristics:
Open Time – 40 minutes
Coverage – 60 linear feet per tube with ¼” bead
Curing – Light foot traffic – 8-10 hours / Furniture, fixtures – 12-24 hours / Unfinished floor sanding – after 24 hours
Physical Characteristics:
Ingredients – Calcium carbonate, silane modified prepolymer, plasticizers, amorphous silica
Base – Silane Modified-Prepolymer
Color – Cream
Density – 12.5 lbs./ gallon
VOC Content – ZERO VOC
Max Shear Strength – 335 psi (at final cure; lap sheer test, 1 mm gap)
Max Elongation – 250%
Sound Reduction Rating – 70dB per ASTM E492-04 IIC (6” concrete slab with ceiling)
Odor – Non-offending
Flash Point – >100º C (212ºF) (Pensky-Martens)
Stability – 12 months from date of manufacture in unopened, original packaging
