Neogard 7797/7798 (Hempel 254J9/946JB) is a two-component, high solids, low odor urethane primer. Questions about Neogard 7797/7798? Contact Us.
Version, mixed product 254JB
Mixing ratio: Base 254J9 : Curing Agent 946JB 2 : 1 by volume
Mixing instructions: Pre-mix base for 3–5 minutes before adding curing agent. Mix for a minimum of 5 minutes before applying. Jiffy Mixer paddle recommended.
Application method: Roller, brush, or spray (contact Neogard for spray equipment information)
Recommended application rate: 300–500 sq ft/gallon
Thinner (max.vol.): Do not thin
Pot life: 30 minutes at 77°F (25°C)
Cleaning of tools: HEMPEL’S THINNER 08080 (xylene)
Safety: Handle with care. Before and during use, observe all safety labels on packaging and paint containers, consult Neogard Safety Data Sheets and follow all local or national safety regulations. Use with adequate ventilation.
Surface preparation: According to Neogard Guide Specifications.
Application conditions: Substrate temperature must be ≥40°F (4°C) and <110°F (32°C).
Subsequent coat: According to Neogard Guide Specifications.
Storage temperature: 75°F (23°C)
Remarks: Apply coating within 24 hours of primer application. Not recommended for constant immersion. Not compatible with asphaltic compounds. For on-grade applications, substrates constructed over unvented metal decks or between-slab applications, contact the Neogard Technical Service Department.