Knowde Enhanced TDS
Identification & Functionality
- Chemical Family
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
- Ready-to-Use Product Features
- Advantages
- Flexible and elastomeric (900% elongation)
- Provides thermal cycle protection
- VOC Compliant - <100 grams/liter
- Nonporous
- Indoor / outdoor application
- Seamless flooring system
- Essentially odorless
- Withstands vehicular traffic
- Chemical Resistant
- Can be applied over ten day old concrete
- Benefits
Waterproofing Membrane
PolyFlex 900 is ideally suited as a waterproofing membrane. Many applications require protection from water penetration which is a key benefit of PolyFlex 900. Whether it is a new slab or an existing old slab that is damaged, cracked, and in need of waterproofing, PolyFlex 900 is ideal. The system is suitable for both outdoor and indoor applications and in varying climates.
Applications & Uses
- Applications
- Compatible Substrates & Surfaces
- Applications
Applications
- Flexible base coat for other Onyx products
- Parking garages
- Plywood substrates
- Decking
- Crack control
- Pool decks
- Pedestrian walkways
- Schools
- Hospitals
Concrete Preparation
Before the coating is applied, the concrete must be:
- Clean – Contaminants removed
- Profiled – Surface etched
- Sound – Cracks repaired
Mechanical preparation is the preferred method of preparing concrete for coating application. Shot-blasting, diamond grinding, scarifying, and scabbling are all acceptable methods. The concrete profile should be approximately 40-60 grit sandpaper after preparation.
Coverage
PolyFlex 900 is generally applied over a sealed surface of PolyFlex Primer. The PolyFlex 900 is then applied at 32 SF per gallon to produce a 50 mil membrane. Option 1. Over 50 mil system, apply Polyaspartic 100 at 300 SF per gallon and lightly broadcast 90 mesh white aluminum oxide and backroll. This would yield a total 60-65 mil sytem. Option 2. For a thicker, heavier duty, and more anti-slip finish as compared to the above, over the 50 mils of PolyFlex 900, apply another coat of PolyFlex 900 at a rate of 100 SF per gallon and broadcast 20 or 30 mesh silica to refusal. After it cures, apply PolyFlex 900 at 100 SF per gallon as a glaze coat. Any Onyx polyurethane/ polyaspartic system can be applied as a finish coat for additional UV, stain, and yellowing resistance. This would yield a 100-125 mil system.
Application Process
PolyFlex 900 is made to be applied over PolyFlex Primer once it is tack free.
- Always apply in descending temperatures. It is safer to apply coatings in the late afternoon, especially for exterior applications. Optimum ambient temperature should be between 40-90°F during application.
- Mix kit using above mixing instructions.
- Apply approximately 32 SF per gallon by immediately pouring out on surface in a ribbon, while walking and pouring at the same time until bucket is empty.
- Using a 1/4” V notched rubber squeegee, spread Petra Flex 900 on floor at 32 SF per gallon.
- Using a 3/8” paint roller with phenolic core, roll coating forward and backward.
- Lastly, backroll from left to right.
Product Limitations
Ground level concrete slabs emit moisture vapor. The allowable moisture emissions for concrete is 3 lbs. 1000 S/F over a twenty-four hour period. If moisture is above this level, then blistering and delamination of coating may occur. A calcium chloride test should be performed to determine concrete moisture level. If moisture levels exceed the 3 lb. limit, a concrete moisture vapor control system should be used first before applying coating system. Please contact Onyx technical department for approved systems. Coating systems are susceptible to cracking if the concrete moves or separates below the coating. Hence, joint and crack treatment should be reviewed prior to coating application. As a general rule, control joints (saw cuts) and random cracks should be saw cut or chased first then filled with Epoxy Grout or similar approved hard epoxy product. Construction joints (two slabs which meet and hence move) should be treated. After the coating has been applied and cured, saw cut through the coating over construction joints.
Cleanup
PolyFlex 900, while in an unreacted state, may be cleaned up with water and degreaser. Isopropyl alcohol or acetone may be needed once the resin begins hardening.
Optional Glaze Coat
Xtra Kote TC, or PetraThane RCU or CRU may be used as a glaze coat. Refer to those data sheets for application methods.
Properties
- Typical Properties
| Value | Units | Test Method / Conditions | |
| Tensile Strength | 1000.0 | psi | ASTM D 412 |
| Coefficient of Friction | min. 0.6 | - | ASTM D 2047 |
| Elongation | 900.0 | % | ASTM D 412 |
| Flash Point | min. 200 | °F | ASTM D 93 |
| Bond to Concrete (Concrete fails at this point) | 350.0 | psi | ASTM D 4541 |
| Volumetric Ratio | 2 to 1 | - | - |
| Solids Content (By Volume) | 74.0 | % | - |
| Coverage (16 mils) | 100.0 | S/F per gal. | - |
| Thinning | May add 1.0 - 2.0 pints of acetone per gal. | - | - |
| Application Temperature (5° above the dew point) | 40.0 - 90.0 | °F | - |
| Pot Life | 20.0 - 25.0 | minutes | - |
| Cure Time (Walking) | 1.0 - 2.0 | hours | - |
| Cure Time (Traffic) | 6.0 | hours | - |
| Critical Recoat Time | 24.0 | hours | - |
Regulatory & Compliance
- Chemical Inventories
- Compliance
USDA Food and Beverage - Meets requirements.
Safety & Health
- Safety
Consult PolyFlex 900 safety data sheet. Avoid PolyFlex 900 contact with eyes and skin. Protective gloves and clothing are recommended.
Packaging & Availability
- Packaging
PolyFlex 900 is available in two different kit sizes:
Part A Part B 4.6 Gallon Kit 3.6 gal. 1 gal. 46 Gallon Kit 36 gal. 10 gal.
Storage & Handling
- Shelf Life
12 months.