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| HANDLING PROPERTIES | |
| Mix Ratio | 50:50 by Volume |
| Color | Clear/Amber (mixed) |
| Mixed Viscosity (@77 Degrees F) | 250-350 CPS (mixed) |
| Gel Time | 1.5-3 hour (after application) |
| Shelf Life: (@85 Degrees F Maximum Temp) | 1 Year (minimum) |
| Pot Life | 1.5-3 hours |
| Final Cure | 7 days |
APPLICATION
SURFACE PREPARATION: Surface life of the sealer is
primarily dependent upon good surface preparation. Sealer life will be extended by
following these recommendations:
1. The concrete must be cleaned free of old existing coatings, oils, grease, dirt, and wax solutions.
2. Sandblast or water-blast surface to remove contamination, heavy laitance, sharp edges or protrusions, if there are any which could interfere with the uniform application of the sealer. Use of acids is not recommended.
3. Weld structural cracks with ESI™ Product #684; seal movable cracks with ESI™ Product #11 Control Joint Filler. Remove unsound existing patches and fill chuck holes and deteriorated areas with ESI™ 10 Mortar or Product #25 Mortar Kit.
4. Remove all debris from working surfaces.
5. Allow all ESI™ products used in repair to fully cure before application of Penetrate Sealer.
MIXING PROCEDURES: Supplied as two-package system. Open Component "A" and agitate resin until evenly blended. Open Component "B" and pour entire contents into Component "B" into Component "A". Agitate the combined mixture with low speed power mixer (200-300 rpm) until one even color develops (2-3 minutes).
APPLICATION STEPS: Penetrate Sealer may be applied with roller, brush or airless spray. Ensure that the concrete surface is dry, moisture will interfere with product penetration. Two coats are required for most applications. Apply #850 evenly over area according to coverage requirements. Concrete surfaces will accept the sealer at different rates because of porosity, moisture content and other variations and this may result in discoloration or darkening of the finished surfaces.
Typically, One-coat application of penetrant sealer averages about 100 sq. ft. per gallon, per coat; however coverage per coat will vary with porosity, texture and surface and other variations. It is necessary to permit material to become tack-free before the section is open to use. Normally, sufficient evaporation occurs within 3-4 hours after application, at 75°F (23.8°C)
For skid resistance broadcast clean, dry sand at a rate of 1-2 lb. per square yard.
HANDLING PRECAUTIONS
Prolonged or repeated exposure may cause eye and skin irritation. Avoid contact with skin or eyes. If contact occurs, wash immediately with soap and water. Flush eyes immediately with water and contact physician. If used indoors, provide adequate ventilation. Use safety glasses, and wear protective rubber or polyethylene gloves. ESI™ #850 contains flammable solvents, so extra precautions should be taken in confined areas. Never allow open flame or sparks in area when #850 is being applied. Adequate ventilation must be provided when applying.
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Proper mixing and installation is critical to the optimal success of all product. See Installation Tips, Techdata, & MSDS for more details on our products. Be sure to contact us with any questions and/or concerns that you have. For more information please contact: Epoxy.com Office Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time). 321-206-1833 Customer Service - Ordering and Order Status 714-657-3826 Technical Support 352-489-1625 Fax line to all Departments 24 hour Hazmat Emergency Telephone Response Service -1-800-633-8253
Unless other wise agreed upon in writing, buyer is responsible for the cost of shipping. This information is presented in good faith to assist in determining whether this product is suitable for application. No warranty or representation, however, is intended or made, nor is protection from any law or patent to be inferred, and all patent rights reserved. Epoxy Systems™ Product Company ("ESI") warrants its products (when properly stored) for the period of time as follows: Epoxies, Product #315, Product #315BC, and Product #316 one (1) year; Polyesters, Methyl Methacrylates (normal) two (2) months and Polyurethanes Four (4) months; Power Tools and Equipment 90 days; Vinyl Esters, High Molecular Weight Methacrylates (HMMA) and all other resins (not specifically mentioned above) 30 days; hand tools (non-power tools) 30 days. ESI warrants that its products will be free of manufacturing defects and will be in conformity with published specifications when handled, stored, mixed and applied in accordance with recommendations of ESI. If any product fails to meet this warranty, the liability of ESI will be limited to replacement of any non-conforming material if notice of such non-conformity is given to ESI within the warranty period for the material (as indicated above), or within 1 year of the delivery of materials (whichever is sooner). ESI may in its discretion refund the price received by ESI in lieu of replacing the material. No customer, distributor, or representative of ESI is authorized to change or modify the published specifications of this warranty in any way. No one is authorized to make oral warranties on behalf of ESI. In order to obtain replacement or refund the customer must provide written notice containing full details of the non-conformity. ESI reserves the right to inspect the non-conforming material prior to replacement. EXCEPT FOR THE EXPRESSED WARRANTY STATED ABOVE, THERE ARE NO OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PURPOSE. ESI'S OBLIGATION SHALL NOT EXTEND BEYOND THE OBLIGATIONS EXPRESSLY UNDERTAKEN ABOVE AND ESI SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO THE PURCHASER OR ANY THIRD PARTY FOR ANY LOSS, COST, EXPENSE, DAMAGE OR LIABILITY, WHETHER DIRECT OR INDIRECT, OR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. All quotes and sales subject to availability. Many of our products are made on an individual order basis. Unless authorized in writing by Epoxy Systems, Inc. in writing before the material is made, there are no returns on items purchased from us, once the order has been processed, and the material made. In the event of authorized returns a restocking charge will be charged in the amount of 30% of the value of the material returned or $150 whichever is greater. No returns on non-list priced items. All Returns are for merchandise (store) credit only, no cash or credit card credits. In the event of a return, buyer is responsible for the cost of shipping and handling in both directions.
[Technical
Data Sheets in Adobe Acrobat Format][MSDSs
in Adobe Acrobat Format][Online-
Ordering Authorization Form]
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Parking garage decks,
and ramps 
