Epoxy.com Product #3899 is a 2-component, low viscosity, 100% solids, epoxy primer for concrete and wooden substrates.
Product #3301 is a 100% solids low viscosity primer which can be used under a variety of Epoxy.com Coating and Flooring Systems.
Surface must be clean and sound. Interfaces of cracks must be free of dirt, laitance, grease, curing compounds and other foreign matter.
Temperature of Product #3899 must be 60°F. or above at time of mixing. Stir each component separately before blending. Best if used in an automatic binary mixing system. If mixed manually mix two parts by volume of Part A with one part by volume of B for three minutes with a low-speed electric drill motor equipped with a mixing paddle.
Apply by brush, roller or squeegy at a rate of 250-300 SF per square foot.
For more information consult Epoxy.com technical service department.
Minimum substrate temperature must be 50° F.
All tools and equipment should be cleaned before the system gels. Use methyl ethyl ketone or any lacquer solvent.
This is a solvent free and Nonyl Phenol free product, and practically odorless during application. Follow the appropriate Occupational Health and Safety guidelines applicable to the location where the application is undertaken. For more information, please refer to the safety datasheets for the individual components.
2 parts of component A are mixed with 1 part of component B, by volume.
Add Hardener B to Base A. Mix with slow speed drill and appropriate mixing paddle taking care not to entrain air. May also be mixed by appropriate static mix tube.
The recommended substrate temperature is 60° - 80°F, but no less than 50°F.
Mixed product should be used within 40 minutes at a temperature of 70°F. At higher temperatures the application time is shorter.
Approximately 12 hours. The product is fully hardened after 5 - 7 days.
Transparent
Gloss
Approx. 100 %
12 g/l
Component A approx.- 9.30 lbs/gal (1.12 kg/l)
Component B approx. - 8.60 lbs/gal (1.03 kg/l)
Mixed approx. - 9.10 lbs/gal (1.09 kg/l)
12 months in unopened pack. Storage temperature between 40°F and 100°F. Protect from weather and moisture / contaminant ingress (tightly sealed to prevent air infiltration, and exfiltration).
The product is delivered A+B in the following packs:
| Unit | Base A | Hardener B | |
| 3 gallons | 2 Gallons | 1 Gallon | |
| 12 Gallon | 2 each 4-Gallons | 1 each 4 gallon |
| Property | Result | Test Method |
| Compressive Strength | >11,600 psi | ASTM C579 |
| Flexural Strength | > 8,700 psi | ASTM C580 |
| Compressive Strength | >11,600 psi | ASTM C579 |
| Tensile Strength | >7,175 psi | ASTM C307 |
If you would like additional information, please Epoxy.com Technical Support Department
Any recommendation or suggestion relating to the use of the products sold by Epoxy,com whether in its technical literature, or in response to a specific enquiry, or otherwise, is based upon data believed to be reliable, however the products and information are intended for use by Customers having requisite skill and know-how in the industry and therefore it is for the Customer to satisfy itself of the suitability of the products for its own particular use and it shall be deemed that the Customer has done so at its sole discretion and risk.