Epoxy Primer, Sealer, and Mortar
Low-Mod Low Viscosity Epoxy
100% Solids Zero (0) VOC Epoxy
Resin
Epoxy.com Product # 899
GENERAL DESCRIPTION
Epoxy.com Product #899 is a 100% solids Low-Mod
Low Viscosity Primer and Sealer. It may be used as a
Primer for any Epoxy.com Products, as a stand alone
sealer. It may also be combined with Epoxy.com Product
#78 to form a Low-Mod mortar.
ADVANTAGES
- Moisture insensitive (cures on damp or wet surfaces)
- Withstands movement from thermal change
- Meets ASTM C-881 Type III, Grade 1 Class B and C
std. spec.
- Low Viscosity - Excellent wetting properties
- Good shock absorption qualities
- Versatile
- Forms Virtual Moisture Barrier
SURFACE PREPARATION
Surface must
be clean and sound. Remove all dirt,
laitance, grease curing compounds and other foreign
matter by sandblasting, mechanical abrasion, or acid
etching. Remove water and dust from all surfaces with an
oil-free blast immediately prior to application.
MIXING INSTRUCTIONS
Temperature of Epoxy.com Product #899 must be 50 degrees
F or above at time of mixing. Stir each component
separately before blending. Mix two parts by volume of
Part A with one part by volume of Part B for three
minutes with a low speed electric drill motor equipped
with a mixing paddle.
APPLICATION
Epoxy.com Product #899 can be applied with a brush,
roller or squeegee when used as a primer or seal coat.
For skid resistance, broadcast sand at a rate of 2 lbs.
per square yard. For mortar applications finish surface
with trowel. Prime surface to be patched with neat
material.
For more information before installing please see
installation tips.
LIMITATIONS
Use of solvents for thinning will prevent proper cure.
New concrete must be 28 days old prior to application of
Epoxy.com Damp Primer. Temperature of substrate must be
above 50 degrees F.
SAFETY PRECAUTIONS
Prolonged or repeated exposure may cause eye and skin
irritation. If contact occurs, wash immediately and seek
medical help. Use safety glasses with side shields and
wear protective rubber gloves.
CLEANUP
All tools and equipment should be cleaned before the
system gels. Use MEK, Acetone, or any lacquer solvent.
APPLICATION PROPERTIES @77°F
|
Mix Ratio
|
2:1 By Volume
|
|
Viscosity
|
400-450 cps
|
| Initial Cure
|
6 - 8 hours (with normal
cure hardener)
|
| Recoat (coating system)
|
10-12 hours (regular cure) :4-6 hours (fast
cure)
|
|
Final Cure
|
24 hours
|
|
Potlife
|
30-40 minute (with regular cure hardner)
|
|
Packaging (unit size)
|
3 gal unit, 15 gal unit, 165 gallon unit
|
|
Standard Colors
|
clear
|
|
Colors
|
Standard Colors Available at an Additional
Charge
|
PHYSICAL PROPERTIES
|
Elongation (ASTM D-638)
|
Greater than 10%
|
|
Compressive Strength (ASTM D-695)
|
10,000 PSI (min)
|
|
Tensile Strength (ASTM D-790)
|
3,500 PSI
|
|
Concrete Bond Strength (ASTM C-882)
|
2,290 PSI
|
|
Shrinkage (ASTM C-883)
|
Passed Test
|
|
Thermal Compatibility (ASTM C-884)
|
Passed Test
|
|
Adhesion to Concrete (ACI Committee 403)
|
250 PSI (concrete fails)
|