NP928HV: Joint Sealant, Novolac, Vertical
NP928HV is a two component 100% solids flexible sealant paste (novolac/urethane hybrid) designed for applications where a resilient flexible non-sag material is needed. This product is available in a lower viscosity version that is more suitable for horizontal applications. NP928HV is an excellent choice for vertical expansion joint applications. This product has excellent chemical resistance and provides exceptional adhesion characteristics. The standard material is supplied with black and white components so proper mixing can be easily observed.
RECOMMENDED FOR: Recommended for expansion joints in vertical structures, vertical and overhead repairs and any other non-sag vertical application repairs of joints or cracks in concrete or masonry surfaces.
NOT RECOMMENDED FOR: Not recommended for applications for all acids and chemicals
SOLIDS BY WEIGHT: 100%
VOLATILE ORGANIC CONTENT: Zero pounds per gallon
COLORS AVAILABLE: Gray (mixed) Part A is white and Part B is black
RECOMMENDED THICKNESS: Variable (between 1/2” and 1 1/2”)
COVERAGE PER KIT: 1 1/4 gallon kit @ 1/2” by 1.0” yields 45-50 lineal feet.
PACKAGING CUBIC FEET
1 1/4 gallon kit .16 (approx.)
1 1/4 gallon kit= 8.9#/gallon (.95-1.0 gallon net) part A and 2.1#/quart (.24-.25 gallon net) part B. (Volumes and weights approximate)
MIX RATIO: 4 to 1 by volume (8.9# part A to 2.1# part B)
SHELF LIFE: 6 months in unopened containers
FLEXURAL STRENGTH: 2,400 psi (ASTM D-790)
TENSILE STRENGTH: 3,400 psi (ASTM D-412)
ELONGATION AT BREAK: 43.4% at 70 degrees F (ASTM D-412)
IMPACT RESISTANCE: Excellent
ABRASION RESISTANCE: 31.324.2 mg loss with a 1000 gram total load at 1000 revolutions with a CS10 wheel
PRODUCT TYPE: Novolac epoxy/urethane hybrid
SHORE HARDNESS: Shore A= 80, shore D= 53
ADHESION: 380 psi (elcometer) - no delamination/concrete failure VISCOSITY: Mixed= 850,000 to 1,350,000 cps (typical)
DOT CLASSIFICATION: Part A “not regulated” Part B “CORROSIVE LIQUID N.O.S., 8, UN1760, PGIII”
PRIMER: None required
TOPCOAT: None required. Many epoxies and urethane are compatible.
For Safety Data Sheet, Please Download SDS
For Technical Data Sheet, Please Download TDS
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