Tough Stuff UR2650 forms a permanent, high performance, seamless membrane for use in harsh environments with demanding roofing and waterproofing applications.
Excellent for highrise roofing, mechanical areas, decks, silos, pulp mills, chemical plants, chillers, air intake units, and all types of general reroofing.
Other uses include: reservoirs, aeration basins, spillage containment, hazardous waste containment, bridge decks, parking ramps, expansion joints, etc.
Potable water containment: Meets NSF 61 standards for potable water containment. Suitable for cisterns and tank liners.
PRODUCT CHARACTERISTICS
Color:
Black
Solids by Weight:
85%
Volume Solids:
80%
Viscosity:
2,000-3,500 cps
Weight per Gallon:
8 pounds
VOC (EPA method 24):
150 grams/liter
Cleanup:
Xylene
Flammability:
Combustible
Spreading Rate per coat:
Flat: 66 square feet/gallon per coat
Walls: 100 square feet per gallon - multiple coats
Heavy applications will self level.
Drying Schedule @ 66 square feet/gallon:
50 °F
70 °F
110 °F
To Tack
90 mins.
65 mins.
30 mins.
To Recoat
6 hours
3 hours
2 hours
To Cure
48 hours
36 hours
24 hours
Drying time is temperature, humidity, and film thickness dependent.
TECH DATA: Potable Water Testing Test #1: A 50 sq.cm. piece of Tough Stuff UR2650 was extracted in specified solution at PH 10.0 for 72 hours at 82ºC. EP TOX metals were then analyzed as per SW846-3:
PARAMETER
RESULT
NSF
ARSENIC
<0.001
O.05
BARIUM
<0.61
1.0
CHROMIUM
<0.01
0.01
CADMIUM
<0.02
0.05
LEAD
<0.01
0.05
MERCURY
<0.0001
0.002
SELENIUM
<0.001
0.01
SILVER
<0.01
0.05
Test #2: A 50 sq.cm. piece of Tough Stuff UR2650 was extracted in specified solution at PH 5.0 for 72 hours at 66ºC. The final extract was analyzed for total recoverable phenols as per EPA 420.1:
PARAMETER
RESULT
EPA 420.1
0.001
Note: Tests were done as per instructions for referencing- National Sanitation Foundation (NSF) standard #61, "Drinking Water System Components - Health Effect;" and standard methods for the examination of water and wastewater," 15th edition.
APPLICATION INFORMATION
APPLICATION CONDITIONS Temperature:
Air & Surface: 32°F minimum / 100°F maximum
Material: 50°F minimum / 95°F maximum
Relative Humidity:
Can be applied at relative humidities up to 97%
APPLICATION PROCEDURES
BRUSH
Use nylon or polyester brushes, do not over brush or apply too heavily.
Heavy applications will slump on vertical surfaces.
SQUEEGEE
Pour material out into a puddle and pull with the appropriate notched squeegee. 1/8" notch will yield approx. 1.5 gallons/100 square feet and the 3/16" notch will yield approx 2 gallons/100 square feet.
After pulling with the squeegee, the material will have to be back rolled with a enamel short nap roller for uniform appearance. Cross hatch subsequent applications perpendicular to the previous layer.
ROLLERS
Use 12, 18, or 24" rollers for back rolling large areas. Use 1/4 - 1/2" nap high grade synthetic heads with phenolic cores.
Rapid rolling will splatter and may become airborne on higher buildings.
SPRAY — AIRLESS (for high volume)
UR2650 two component material is best applied by airless spray with a siphon feed hopper or a Bink’s Hawk air assisted spray system.
System will have to be purged with solvent after every 4 - 5 kits are sprayed to prevent equipment problems.
Keep material above 50ºF prior to catalyzing in cold temperatures.
Pressure: 3,000-4,000 psi 2-3 gallons/minute.
Tip: 5.37 to 6.56 reversible
Gun: Mastic or high volume heavy duty guns
Line: 1/2" solvent resistant or 1/2" double braid hydraulic
PERFORMANCE TIPS
DO NOT THIN
POWER MIX BEFORE USING
RECOAT WINDOW
Maximum intercoat bond for the UR2650 is within 48 hours. Work should be scheduled to be started and finished within this time frame. This is especially important in areas of submersion.
Damp conditions or water will foam the material. Do not apply if rain is immanent before proper film set can be established.
Please consult Coatings International for specific questions regarding the application of this system.
CLEANUP INSTRUCTIONS
Clean spills and spatters and tools immediately with mineral spirits or xylene.
Clean hands immediately after use with hand cleaner that works on asphalt or oils.
After cleaning, flush spray equipment with xylene or mineral spirits. UR2650 must be flushed in standard spray equipment within 35 minutes.
SAFETY PRECAUTIONS
INSTALLERS must read and understand all technical and informational literature for Tough Stuff UR2650, including the Material Safety Data Sheets (Part A/Part B), prior to using this product.
For chemical emergencies, spills, leaks, exposure, or accidents in the U.S.: CALL CHEMTREC 24 HOURS A DAY / 365 DAYS A YEAR 1-800-424-9300.
ORDERING INFORMATION Packaging:
Container Size
Weight
Class
Part A
4.5 gallon cans
40 pounds
55
Part B
.5 gallon/unit
5 pounds
55
(contains MDI isocyanate - store away from food)
D.O.T. Shipping Classification:
(UR2650 part A) NH
(UR2650 part B) UN2489 III
HMIS:
Health 2, Flammability 3, Reactivity 0, Protection B
Published technical data and instructions are subject to change without notice. Please contact your Coatings International Roofing Systems representative for the most current information.
