1. PRODUCT NAME
SRC℠ 720Silicone Roof Coating High Solids
2. MANUFACTURER
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NATIONAL COATINGS CORPORATION
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1201 Calle Suerte Camarillo, CA 93012
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| Phone: |
800-423-9557 |
| FAX: |
800-294-3866 |
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www.nationalcoatings.com
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3. PRODUCT DESCRIPTION
SRC 720 is a ready-to use, high solids, single component, moisture cure fluid applied silicone coating.
SRC 720 provides elemental protection for architectural surfaces such as vertical walls, masonry, concrete, metal, single ply roof membranes and sprayed-in-place urethane foam systems.
Not recommended for continuous immersion service, for use in cryogenic tank, or cold storage roofing application without a vapor barrier, or directly over modified Bitumen, asphalt or coal tar built-up roofing systems without a primer.
| BENEFITS: |
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- Seamless Waterproofing
- Fully-Adhered Installation
- Breathable Membrane
- Superior Weathering
- Energy Savings
- Prolonged Roof Life
- Reduced Life Cycle Costs
- Renewable
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4. TECHNICAL DATA
See Table below.
5. INSTALLATION
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May be applied by spray, brush,or roller.
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All surfaces must be clean, dry, and free of dirt, grease, oil, or other contaminants that would interfere with proper adhesion.
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Apply at temperatures above 50ºF.
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Apply only when weather conditions will permit drying before rain, dew or freezing temperatures.
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Cool temperatures and high humidity retard cure.
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May be applied at lower temperatures however the cure time will be extended
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For application details see specific Guide Specifications.
6. AVAILABILITY AND COST
SRC 720 may be purchased directly from National Coatings Corporation. For information call 800-423-9557.
7. WARRANTY
Various warranties are available for specific SYSTEMS installed by approved applicators.
8. MAINTENANCE
Periodic maintenance ensures extended performance and reduces life cycle costs.
9. TECHNICAL SERVICES
Additional information, product brochures, and guide specifications are available. Roof energy evaluations, life cycle cost analyses, and other roof management services are also available from a National Coatings Technical Consultant.
10. FILING SERVICES
Additional product information is available from National Coatings Corporation.
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SRC 720
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ASTM D6694-01 Technical Data
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Property
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Typical Results
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Tensile Strength
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331 PSI at 73°F.
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Elongation
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192% at 73°F.
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Initial Reflectivity (White)
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.87
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Initial Emissivity (White)
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.89
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Initial SRI Value
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110
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Permeance, US Perms
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5.9 ±
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Tensile, set at 100% Elongation
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Nil.
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Temperature Stability Range
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-80°F. to 350°F
(-37°C. to 177°C)
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Water Absorption
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0.1 weight % after 2
weeks at 75°F. (24°C)
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Weathering/UV Resistance
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No degradation after 5,000 hours
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Specific Gravity
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1.28 at 77°F. (25°C)
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Tack Free Time
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1 hour
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VOC
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<10 Grams/Liter
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Durometer Hardness
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50 ± 5 points (Shore A)
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Solids Content By Weight
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96% ± 2
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Solids Content By Volume
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96% ± 2
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Maximum Continuous Service Temperature
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185°F (85°C)
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Flash Point (COC)
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290°F.
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Cure Time
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2-8 Hours, depending upon temperature
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Drying Time
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1 hour at 77°F.
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Shelf Life
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(UNOPENED CONTAINERS): 6 months when stored between 35°F. and 75°F.
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SRC 720 is for industrial/commercial applications only. These suggestions and data are based on information we believe to be reliable. They are offered in good faith, but without guarantee, as conditions and methods of use are beyond our control.