NP139: Flexible Epoxy Broadcast Primer
NP139 is a two component 100% solids epoxy designed for sealing traffic surfaces exposed to vehicular or foot traffic. The toughness and elongation eliminate the need to repair hairline cracks. This product is formulated for use in a broadcast system as the basecoat prior to installing epoxy mortars or other suitable topcoats.
RECOMMENDED FOR: Recommended for priming with broadcasting as a crack bridging sealer before application of epoxy mortar or topcoats.
SOLIDS BY WEIGHT: 100% (+/- 1%)
SOLIDS BY VOLUME: 100% (+/- 1%)
VOLATILE ORGANIC CONTENT: zero pounds per gallon
COLORS AVAILABLE: Clear (gardner 3-4)
RECOMMENDED THICKNESS: 10-50 mils
COVERAGE PER GALLON: 32-160 square feet per gallon @ 10-50 mils
2 gallon kit (volume approximate)
10 gallon kits (volume approximate)
MIX RATIO: 9.2 pounds (1 gallon) part A to 8.2 pounds (1.0 gallon) part B (volumes approx.)
SHELF LIFE: 1 year in unopened containers
ABRASION RESISTANCE: Taber abraser CS-10 callibrase wheel with 1000 gram total load and 500 cycles= 6 mg loss.
VISCOSITY: Mixed= 1,000-1,700 cps (typical)
DOT CLASSIFICATIONS: Part A “not regulated” Part B “CORROSIVE LIQUID N.O.S., 8, UN1760,PGIII”
FLEXURAL STRENGTH: 2,600 psi @ ASTM D790
COMPRESSIVE STRENGTH: 4,100 psi @ ASTM D695
TENSILE STRENGTH: 2,450 psi @ ASTM D638
ULTIMATE ELONGATION: 60%
GARDNER VARIABLE IMPACTOR: 160 inch pounds direct- passed
ADHESION: 450 psi @ elcometer (concrete failure, no delamination)
HARDNESS: Shore D= 58
PRIMER: None required
TOPCOAT: After broadcasting aggregate into the NP139, many suitable toppings can be used. This would include products like epoxy mortars, two component urethanes or Novolac.
For Safety Data Sheet, Please Download SDS
For Technical Data Sheet, Please Download TDS
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