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Epoxy.com Methyl Methacrylate (MMA) Primer
Product #6691
Technical Data Sheet
Product Description
A 2-component, clear, low viscosity methyl methacrylate (MMA) based primer for Epoxy.com floor coatings.
Uses
Product #6691 Primer is used as a general purpose MMA primer for properly prepared concrete substrates and also provides excellent bonding to metal substrates (e.g. iron, aluminum, stainless steel) and to ceramic tile substrates. We strongly recommend with all Epoxy.com primers that curing and adhesion tests are conducted on the particular substrate prior to general use on site to verify results.
Environmental and Health
Product #6691 Primer is a solvent free product but has an odor associated with it, ensure adequate ventilation and/or extraction with negative air movement to control odor and allow for proper curing. 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 data sheets for the individual components.
Ratio of Components (by weight/volume of #6691 Primer)
- @ 86°F: Add 3 fl. oz. #695 Catalyst per gallon of resin (1.5% by weight)
- @ 68°F: Add 4 fl. oz. #695 Catalyst per gallon of resin (2% by weight)
- @ 50°F: Add 8 fl. oz. #695 Catalyst per gallon of resin (4% by weight)
- @ 32°F: Add 10 fl. oz. #695 Catalyst per gallon of resin (5% by weight)
The above addition levels are intended as a guide only. A small trial area is recommended to confirm the ideal catalyst level.
Add the required amount of catalyst to the resin. Mix with slow-medium speed drill and jiffy mixer, taking care not to entrain air. Exceed the minimum application layer thickness to allow a continuous, unbroken resin film, which ensures full through-cure. A second coat may be necessary when applying to concrete depending on porosity and Application Temperature rate used.
Application Temperature
The recommended substrate temperature is 50 - 77°F, but no less than 32°F (unless adding Cold Temperature Accelerator Additive) and to a maximum of 85°F.
The temperature of the substrate should exceed the “dew point” by 5°F during application and hardening. Temperatures should not fall below 32°F in the 24hrs after application.
For application temperatures below 32°F, please consult the Technical Service Department.
Application Time/Pot Life
Ready-mixed product should be used within 10 minutes at a temperature of 68°F. At higher temperatures the application time is shorter.
Curing Time (at 68°F)
The product is fully hardened after 60 minutes
Properties
- Color:Transparent
- Solids Content: Approx. 100 %
- Finish: Eggshell
- Typical Coverage: 80 – 100 sq feet per gallon, dependent on substrate porosity.
- Density: Approx. 1.0 kg/l (8.4 lb/gallon)
Storage
6 months in unopened pack.Storage temperature between 40°F and 90°F (out of direct sunlight). Flash Point: 52.7°F
Packaging
The product is delivered in 6 gallon units
Technical Information on Cured Product
| Property | Result | Test Method |
| Elongation at Fracture 68°F | 1.3% | ISO 527 |
| Elongation at max. strength 68°F | 1.3% | ISO 527 |
| Modulus of Elasticity 68°F | 1500 N/mm2 | ISO 527 |
| Tensile Strength 68°F | 13.8 N/mm2 | ISO 527 |
| Density, 68°F | 1.16 g/cm | ISO 1183 |
Further Information
If you would like additional information please consult our Technical Service Team at the number listed below or visit our website - www.epoxy.com.
Proper mixing and installation is critical to the optimal success of all products. 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
A Division of Epoxy Systems, Inc
A Vermont Corporation
USA
We have products that have passed the test of time as well as the best new Systems available today.
Since 1980 - Over 45 years of the highest quality products
Hours: 9AM-4PM Eastern Time (6AM-1PM Pacific Time)
Closed for lunch from 12Noon to 1PM
321-206-1833 Customer Service - Ordering and Order Status
Katey Lambert-Fontaine - Vice President & Chief Operations Officer
katey@epoxy.com
352-533-2167 Technical Support
Norm Lambert - President & Technical Support Director
info@epoxy.com
Debby Lambert, Co-Founder and Strategic Planning
Website: www.epoxy.com
24 hour Hazmat Emergency Telephone Response Service - 1-800-633-8253
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