WATERPROOFING SEALANT TECHNICAL DATA
Lifetime™ Sealants are penetrating silicone rubber material designed to give a permanent treatment to wood, concrete masonry and other porous substrates. Lifetime™ is NOT a water repellent. Lifetime's™ unique feature is that it actually prevents water from penetrating the surface to which it is applied.
A. EXTERIOR EXPOSURE:
Samples of the base material have been exposed for 45 years without deterioration from ultraviolet rays, acid rain, salt, salt spray, and other climatic conditions. Samples have been exposed to weatherometer testing equal of 100 years without breakdown. These tests show that Lifetime™ Water Sealant will not deteriorate. Certain factors may influence the deterioration of the substrate, beyond the penetration of water.
B. CONCRETE EXPOSURE:
An independent state laboratory* tested the performance of Lifetime™ Water Sealant against other sealers and bare concrete. The samples were exposed to 378 freeze thaw cycles and the weight loss detained. Untreated concrete lost 33.7% to 68.1% and Lifetime™ treated concrete lost only 1.2%.
The same laboratory conducted skid readings which stated that "sealed surfaces show and indicate little or no effect on the skid resistance." The product should not make concrete more slippery.
*A copy of the Utah Department of Transportation Research and Development Unit, Laboratory Study to Aid in the Selection Procedures for Concrete Sealers is available upon request..
C. PENETRATION AND WATER TRANSMISSION:
Laboratory tests show that the absorption of water on cedar treated with Lifetime™ versus untreated cedar is at the ratio of 24 to 1, or that untreated cedar absorbs 96% more water than cedar treated with Lifetime™. Tests on pine show a similar improvement.
Tests show that the cured material makes a nearly perfect barrier for liquid water, yet allows water vapor to freely move in and out, to maintain a moisture equilibrium with the atmosphere.
D. IMPROVES LIFE CYCLE:
All tests show that this material greatly improves the life cycle of wood, concrete, and masonry. The State of Utah Department of Transportation concluded that using concrete sealer on old or new concrete would be economically beneficial by extending the concrete's life by several years." The same applies to wood or masonry.
E. ANTI-GRAFFITI:
As Lifetime™ Water Sealant forms a membrane which paint does not readily adhere to, graffiti can easily be removed by pressure washing. Click here to see pictures from a sample application.
F. CURED PROPERTIES: (SOLID STATE)
| Perm Rate ASTM E96-66 |
7.26 |
| Permanence in contact with water : |
 |
| U.S. Perms |
4.5 |
| Grains/hr. ft 2 in Hg |
1.9 |
| ASTM 412 |
|
| Elongation (Std. Dev.=64) |
435% |
| Tensile strength (Std. Dev.=76) |
342 psi |
| Brittle Point |
below -73°C |
| Brittle Point |
below -100°F |
| Linear Coefficient of Thermal Expansion (inch/inch/°F) |
0.0007* |
| Durometer Hardness, Shore A |
20-30 |
| Thermal Conductivity (BTU in/hr. ft squared°F) |
2.3 |
| Maximum Service Temperature |
450°F/232°C |
*The coefficient of thermal expansion was not determined, this value is typical for this type of silicone rubber.
G. UNCURED PROPERTIES: (LIQUID STATE)
| Color |
Translucent |
| Consistency |
Pourable |
| Weight per Gallon |
9.0 pounds |
| Flash Point (ASTM D-93) |
106°F or 41°C |
| Boiling Point |
320-380°F to 160-193°C |
| Vapor Pressure (mm Hg.) |
2.6 |
| Vapor Density (Air=1) |
>4.78 |
| Viscosity |
25,000-35,000 |
| Application Temperature |
Above dew point from -20°F to +100°F/-29°C to 38°C |
| Packaging |
One, Five & 55 Gallon Barrels |
| Shelf Life |
6 months unopened |
H. LIMITATIONS:
- Application should not be on a wet or dirty surface.
- Application must not be undertaken over refrigerated tanks or areas where a vapor barrier coating is required.
- Application must not occur in an interior space where a thermal barrier is required.
- Application must be in accordance with manufacturer's Application and Use Guidelines.
NOTE: Specification Writers: The above values are not intended for use in preparing specifications. Complete technical services are available from Coatings International, including assistance during design and specifications stage. Additional product and testing information is also available.
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This page was last modified February 19, 2007 10:33AM
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