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Technical Data Sheet (TDS)

R721 Turf-Link 2 Part

Adhesive for Synthetic Turf Installation

Special features

  • suitable for outdoor installations
  • no VOC or solvents, achieves LEED points
  • installs in light rain or extreme heat
  • no shipping restrictions
  • resistant to most cleaners and chemicals after curing
  • lifetime warranty

Product Description
R721 adhesive spreads easily and has a non-slump formula that will help insure contact and adhesive transfer because the ridges will bridge normal gaps between the flooring and substrate. It allows fast installation even with complicated patterns due to its strong green grab. There is no flash time required, so installation can commence immediately. Rolling is recommended. It offers superior flexibility and is designed to adapt to seasonal changes. R721 offers extremely high shear strength which makes it suitable for outdoor and indoor use.
Sub Floor Examination
Prior to installation, the sub floor must be checked according to national standards. It must be solid and sound, level, free of indentations as well as resistant to pressure and tension.
Sub Floor Preparation
Prepare sub floor according to synthetic turf manufacturer's instructions.
Mixing of Components
Pour part B completely into part A.Thoroughly mix the two components with an electric mixer for at least 3 minutes or until a uniform mixture and color is achieved.
For mixing of a partial pail use these ratios (9 parts A to 1 Part B by weight):

1/4 Pail: mix 56 fl. oz. Part A with 8 fl. oz. Part B

1/2 Pail: mix 112 fl. oz. Part A with 16 fl. oz. Part B

3/4 Pail: mix 1 gal 40 fl. oz. Part A with 24 fl. oz. Part B
Installation Procedure
Spread the adhesive with the appropriate notched trowel or use a glue box to spread the adhesive onto the seaming tape. Lay the turf into the adhesive and press down firmly.
Limitations
Do not install during heavy rain or where water has accumulated.
Do not install below 32°F (0°C) or above 100°F (38°C). Use only on approved seaming tapes.
In case of accident, injury, spill or exposure, see SDS sheet for information. Consult technical data sheet at www.staufusa.com for updated information.
This adhesive will maintain its integrity and performance even when high levels of moisture or water are present. While adhesive can withstand any amount of moisture, it does not qualify as a moisture inhibitor. Please see below for recommended sealers if a moisture barrier is required.
General Features
  • contains no water
  • contains no chlorinated solvents
  • contains no solvents
  • contains no VOC (calc. per CA Rule 1168)
  • nonflammable
  • high solids content
  • ozone friendly
  • high strength moisture cured urethane
  • Freeze/thaw stable
Installation Features
  • wet lay - no flash time required
  • strong green grab
  • non-slump formula
  • bridges normal sub floor variations
  • very low odor
  • excellent spread rate
  • spreads easily
  • higher temp will shorten drying time
  • observe pot life during installation
Long Term Features
  • resistant against aging
Approved Flooring
  • Synthetic Turf
  • Sports Flooring
Approved Sub Floors
  • Concrete Slabs
  • Seaming Tape
  • Asphalt
Flash Time (wet lay)
  • no
Open Time (wet lay)
  • approx. 30 mins @ 70°F (21°C)
Approved Primers
  • Primer is normally not required
Approved Sealers
  • Sealer is normally not required
  • STAUF ACS-210 True-Seal
  • STAUF ERP-270 Perma-Seal
Approved Leveling Compounds
  • Leveling is normally not required
Approved Trowels and Spread Rate
  • Glue Box: approx. 50 SF/gal.
  • Trowel #4 (Outdoor on rough Surface): up to 50 SF/gal.
  • Minimum Run Length: 110 LF/unit (glue 9" wide)
  • Recommended Run Length: 160 LF/unit (glue 9" wide)
  • Maximum Run Length: 210 LF/unit (glue 9" wide)
  • Sports Flooring-#15 (3/32"x3/32"x3/32") up to 130 SF/gal.
Cure Time until Normal Traffic
  • approx. 12 hours
Clean-Up
  • Use acetone while wet
Temperature Range during Installation
  • 32-100F
Relative Humidity Range during Installation
  • 20% - 90%
Packaging Size
  • 2 gal. Plastic Combo Pail (A+B)
  • 64 per Pallet
Color
  • Green
Color Hardener
  • Brown
Mixing Ratio
  • 9 parts A + 1 part B by weight
Pot Life
  • approx. 30 min @ 70F (21C)
Shelf Life
  • 24 Months in original, unopened container
Shear Strength
  • > 1,000 psi (> 6.9 N/mm²) after 7 days
Revision: 2018-07-09 14:12:24

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