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Pre-Prime WB - Clear Epoxy Primer Coat / 250 sq/ft

$55.97

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Details

  • Model: PP-WB 1-gal
  • Manufactured by: Original Color Chips Company

Description

Norklad Preprime WB is a two component water based epoxy coating that provides an excellent primercoat for various flooring systems. Preprime WB is clear in color to work well with any colored topcoat. It is low in solids to provide superior substrate penetration. This product has a tack free time of about 5 to 8 hours.  Therefore, if timed correctly,  it is possible to apply your primer coat and color coat in the same day. Norklad Preprime WB is recommended for priming or coating concrete, wood or masonry.

SOLIDS BY WEIGHT:
43% (+/- 2%)

SOLIDS BY VOLUME:
40% (+/- 2%)

VOLATILE ORGANIC CONTENT:
1.2 pounds per gallon (mixed)

COLOR:

Amber Clear NOTE: This clear is not water clear and is not suitable for topcoating over previously color coated floors. The clear is suitable as a primer or concrete sealer only.

RECOMMENDED FILM THICKNESS:
5-7 mils per coat wet thickness (yields 2-3.5 mils dry)

COVERAGE PER GALLON
250 square feet @ 5-6 mils wet thickness

PACKAGING   

1-gallon kits

MIX RATIO:

 6.55# part A (.80 gallons, approximate) to 1.90# part B (.20 gallons, approximate).

SHELF LIFE:
1 year in unopened containers

FINISH CHARACTERISTICS:
Semi-Gloss

ABRASION RESISTANCE:
Taber abrasor CS-17 calibrase wheel with 1000 gram total load and 500 cycles = 45 mg loss

IMPACT RESISTANCE:
Gardner Impact, direct = 50 in. lb. (passed)

FLEXIBILITY:
No cracks on a 1/8” mandrel

ADHESION:
425 psi @ elcometer (concrete failure, no delamination)

VISCOSITY:
400-900 cps (typical)

DOT CLASSIFICATION:
Not regulated

 

CURE SCHEDULE: (70°F)

pot life – 1 gallon volume …..………………..……………...…..... 1.0 – 1.5 hours

tack free (dry to touch)………………………………………………..………… 5-8 hours

recoat or topcoat.....………………………………..………………………..... 7-10 hours

light foot traffic...……………………………………………………...……....16-24 hours

full cure (heavy traffic)...........................………………………………....2-7 days

APPLICATION TEMPERATURE:
55-90 degrees F with relative humidity below 85%

PRODUCT STORAGE: Store product in an area so as to bring the material to normal room temperature before using. Continuous storage should be between 60 and 90 degree F. Keep from freezing.

SURFACE PREPARATION:Surface preparation will vary according to the type of complete system to be applied. For a one or two coat thin build system (3-10 mils dry) we recommend either mechanical scarification or acid etching until a suitable profile is achieved. All dirt, oil, dust, foreign contaminants and laitance must be removed to assure a trouble free bond to the substrate. A test should be made to determine that the concrete has an appropriate vapor barrier. This can be done by placing a 4’ X 4’ plastic sheet on the substrate and taping down the edges. If after 24 hours, the substrate is still dry below the plastic sheet, then the substrate does not show signs of eventual hydrostatic pressure problems that may later cause disbonding. However, this product can be applied to a damp floor as long as there are no standing puddles.

PRODUCT MIXING: This product comes pre-packaged by weight. Kits should be mixed in their entirety. If partial kits are to be used, refer to the front of this technical data for proper weight mix ratios. After the two parts are combined, mix well with slow speed mixing equipment such as a jiffy mixer until the material is thoroughly mixed and streak free. This product is an emulsion product and should be mixed well before using. If you choose to mix by hand, it is recommended to mix thoroughly for several minutes.  

PRODUCT APPLICATION: The mixed material can be applied by brush or roller. Maintain temperatures within the recommended ranges during the application and curing process. Apply material with relative humidity below 85%. When the end of the pot life has been reached, you will find that the material becomes hard to apply and will actually tend to roll back up onto the roller. Do not try to continue application when the coating has reached this step. Applications made at different times with differing environmental conditions, may show slight variations in gloss. After applying thin coat you may notice blotchiness this is normal as the coating soaks up into the substrate at varying thicknesses.

RECOAT OR TOPCOATING:  When topcoating this product, you must first be sure that all of the solvents and water have evaporated from the coating during the curing process. Waiting a minimum of 5 hours is a good guideline. However, it is best to test the coating before your next coat. This can be done by pressing on the coating with your thumb to verify that no fingerprint impression is left. If no impression is created, then the recoat or topcoat can be started. Always remember that colder temperatures will require more cure time for the product before recoating or topcoating can commence. Before topcoating, check the coating to insure no epoxy blushes were developed (a whitish, greasy film or deglossing). If a blush is present, it must be removed prior to topcoating or recoating. A standard type detergent cleaner can be used to remove any blush. Many epoxy overlays and coatings as well as urethanes are compatible for use as a topcoat for this product.  






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