KARNAK 180 PART A 300×300

    180 Karna-Sil Epoxy Primer (Part A & Part B)

    180 Karna-Sil Epoxy Primer

    Available in: 10 gallon kits / Part A & Part B packaged separately in 5 gallon pails

    670HS Karna-Sil Ultra over primer as soon as it has thoroughly set, which is normally 2-3 hours (dependent upon temperature and humidity). Best  adhesion is achieved when coated over in 1-3 days. May be coated over for up to 7 days after application.

     

    Category:

    Coverage Calculator

    • 0.5-1 Gallons per 100sf**

     

    This is intended as a general guideline only, coverage can vary based on many factors.

    Physical Properties

    Weight per Gallon: 11.7 lbs.
    Solids by Weight: 60% ASTM D-1644
    Solids by Volume: 42 % ASTM D-2697
    Color: White (Part A), Black (Part B)
    Hardness: Cures to hard coating
    Permeability: Cures to a solvent and vapor resistant film
    Service Temperature: 180°F
    Cure Time: 2-3 hrs.
    (Temp. & Humidity Dependent)
    Shelf Life (Unopened): 1 year
    (Stored at 45°F – 75°F)
    VOC Content: 0 g/L

    Preparation & Application

    COVERAGE RATE:
    Smooth BUR: 100-150 sq.ft./gal.
    Smooth Modified: 100-150 sq.ft /gal.
    Granulated Modified: 75-100 sq.ft./gal.
    Concrete/Masonry: 150-200 sq.ft./gal
    Smooth Single Ply: 300 sq.ft./gal.

    Caution/Care of Tools

    CAUTION:
    For professional use. Use with appropriate MESA/NIOSH approved respirator. The use of neoprene gloves and safety glass is also recommended. Do not apply when rain is imminent or if dew is likely to occur before curing of product. Do not use when weather conditions are below 50°F or when there is a chance that temperatures could fall below 32°F within a 24 hour period after application. Do not apply to surfaces that are above 130°F. Keep containers  properly sealed when stored indoors, in a cool well-ventilated area. Keep containers away from moisture. Keep away from heat, sparks and open flame. Do not store above 100°F. Do not thin. Keep out of reach of children. Avoid prolonged contact with skin. Dispose of in an environmentally safe manner. Cover air intakes during application and while drying. Wear the appropriate PPE. Please refer to MSDS for more safety information.

    CARE OF TOOLS:
    While material is still wet clean up with water and soap. For cleaning spraying equipment use MEK to avoid corrosion, but make sure hoses are solvent  resistant. Take necessary precautions when handling flammable materials.

    COLD-PROCESS SYSTEMS AND COATING, EITHER EMULSION OR SOLVENT BASED, SHOULD ONLY BE INSTALLED ON DECKS WITH POSITIVE DRAINAGE.  PER NRCA, (NATIONAL ROOFING CONTRACTORS ASSOCIATION, “THE CRI TERIA FOR JUDGING PROPER SLOPE FOR DRAINAGE IS THAT THERE BE NO EVIDENCE OF STANDING WATER ON THE DECK 48 HOURS AFTER IT STOPS RAINING.”

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