DESCRIPTION
Epoxy.com Product #660 Universal Primer and Finish is a one component, moisture
cured polyurethane aluminum filled primer and coating. Its low viscosity, high "wetting"
characteristics, and creep, undercutting, and blistering resistance make Epoxy.com
Product #660 Universal Primer and Finish a superior primer and finish coat.
Epoxy.com Product #660 Universal Primer and Finish undergoes a rapid molecular
weight change as it polymerizes into a high molecular weight finish with excellent
corrosion and abrasion resistance.
Epoxy.com Product #660 Universal Primer and Finish is an ideal barrier coat when
upgrading existing finishes to strong urethanes, coal tars, etc., and is used as
a primer for all Epoxy.comVinyl Ester Systems. The low solvency power
of Epoxy.com Product #660 Universal Primer and Finish enables it to be applied over
most types of coatings without causing lifting. A test sample
should be made to confirm adhesion. Most generic types of chemical
or conventional coatings may be applied over Epoxy.com Product #660 Universal Primer
and Finish with excellent adhesion.
Epoxy.com Product #660 Universal Primer and Finish has excellent chemical resistance
as a finish coat to protect metal, concrete, and wood surfaces in:
- Chemical Plants
- Refineries
- Electric Generating Stations
- Fertilizer Plants
- Pulp and Paper Mills
- Water Treatment Plants
- Processing Operations
- Marine Installations
ADVANTAGES
Excellent primer for all types of surfaces.
- Superior "wetting out" properties over sound, rusty steel.
- Can be recoated in 1 to 2 hours and can be top coated with most generic type coatings.
- Cures down to 25°F on dry surfaces.
- Corrosion resistant: Passes 12,000 hours in salt cabinet.
- Good weather resistance.
CONSIDERATIONS
- Do not apply over frost, wet, or damp surfaces, or in very high humidity conditions.
- Not recommended for use as tank lining for constant immersion.
- Must be recoated within 24 hours, when being coating with the
#660 Primer Coating.
- If coating with epoxy or vinyl ester, it MUST BE COATED
WITHIN 1-2 HOURS of application, depending on the
temperature and drying conditions.
- Seal partially used containers to prevent material from reacting with moisture in
air.
- Product going over this primer must be applied before this
primer is totally hard to the touch. So you must only coat small
areas at a time that you can recoat before this primer gets hard.
TECHNICAL DATA
Color
|
Aluminum
|
Gloss
|
Low sheen
|
Recommended Coverage
|
866 sq. ft. per gallon @ 1 mil DFT; 433 sq. ft. per gallon @ 2 mil DFT
|
Mix Ratio
|
1 component, stir well
|
Application
|
Roll, brush, or spray
|
Application Temperature
|
25°F to 140°F dry
|
Cure Time
|
1-2 hours @ 75°F and 50% RH; recoat 2-24 hours
depending on product going over it. |
Service Temperature
|
Up to 400°F
|
Shelf Life
|
6 month minimum in unopened containers stored below 90°F.
|
VOC
|
356 gms/L
|
APPLICATION
SURFACE PREPARATION
Concrete: Shot blast or grind to a medium grit texture similar
to 60 grit sandpaper.
Steel:
Sand blast to a SSPC-SP6 "commercial" blast finish.
Galvanized Steel:
New:Brush blast per SSPC-SP7.
Old, Weathered, or Rusty: Sand blast to SSPC-SP6
"commercial" blast finish
Proper ventilation is necessary when painting indoors or in confined areas. Vapors
and spray mist may cause eye/skin irritation as well as allergic reactions. Always
wear protective clothing, goggles, and use NIOSH approved respirators.
Combustible, keep away from all sources of ignition.
For industrial use only.Keep out of reach of children.
INSTALLATION
Stir Epoxy.com Product #660 Universal Primer and Finish so that
the aluminum pigment is thoroughly dispersed in the resin and a uniform "silver"
color is achieved. When using Epoxy.com Product #660 Universal Primer and Finish
over an extended period, stir occasionally to maintain uniform mixing of
the material. Normally, it is not necessary to thin Epoxy.com Product #660 Universal
Primer and Finish, contact your Epoxy.com Technical Support Department.
Epoxy.com Product #660 Universal Primer and Finish may be applied
by brush, roller, or spray. Roller covers should have a phenolic core and brushes
should have natural bristles. Sprayers should have a moisture/oil trap for income
air. Flush fluid lines with an anhydrous (water free) solvent prior to spraying
Epoxy.com Product #660 Universal Primer and Finish. Flush sprayer
every 1 to 2 hours during use to keep lines free of material build-up.
Epoxy.com Product #660 Universal Primer and Finish may be applied
at temperatures between 25°F and 140°F. Epoxy.com Product #660 Universal
Primer and Finish cures to a tack-free finish in 1-2
hours and must
be recoated between 2 and 24 hours (depending on the product going
over it) @ 75°F with 50% Relative Humidity.
CLEAN-UP
Clean up immediately with thinner. Remove from skin while still wet. Scrub skin
with soap and detergent.