TDS
TECHNICAL DATA SHEETTECHNICAL DATA SHEET
ACRYLIC-ALKYD ENAMEL UNDERCOATER
NO. 437
CLEANUP/DISPOSAL:
Clean all tools and equipment with warm, soapy water.
Do not dispose of this product down a drain. If spilled,
contain material and remove with an inert absorbent.
Dispose of contaminated absorbent, container and unused
product in accordance with all current federal, state
and local regulations. For recycling or disposal of empty
containers, unused product and soiled rags, contact your
household refuse collection service.
CAUTIONS/LIMITATIONS:
• Protect from freezing.
• Do not use on oors, decks, roof surfaces or any surface
subject to immersion or prolonged contact with water.
• This product is not recommended on new masonry (stucco,
concrete, plaster, etc.) and galvanized metal surfaces.
• For best results, apply at temperatures between 35°F and
90°F. Temperatures above 90°F may aect the dry time.
Avoid painting under direct sun.
• Surface temperature during application should be at least
5°F above dew point.
• Application of coating when the relative humidity is above
85% will adversely aect coating performance.
• Do not box or intermix with other water-based primers.
• Topcoat within 30 days.
• Shelf life under normal conditions is two years unopened.
GENERAL INFORMATION:
WARNING! CAUSES EYE AND SKIN IRRITATION. MAY
CAUSE RESPIRATORY TRACT IRRITATION. CONTAINS: GROUND
CALCIUM CARBONATE, CRYSTALLINE SILICA AND TITANIUM
DIOXIDE. Avoid contact with skin and eyes and avoid
breathing vapors, spray mist and sanding dust. Sanding,
grinding or abrading may release sanding dust, which may be
harmful if inhaled and has been shown to cause lung damage
or cancer with long term exposure. Do not breathe dusts,
vapor, or spray mist. To avoid breathing in dust, vapors, and
spray mist, open windows and doors or use other means to
ensure fresh air entry during application, drying, sanding,
and/or abrading. If properly used, a respirator (NIOSH
approved with particulate pre-lter) may oer additional
protection and should be used if adequate ventilation cannot
be provided; obtain professional advice before using. If you
experience eye watering, headaches, or dizziness during
application or drying, increase fresh air or leave the area.
Avoid contact with eyes and skin. Wash thoroughly after
handling. Close container after each use.
FIRST AID: If you experience diculty in breathing,
leave the area to obtain fresh air. If continued diculty is
experience, get medical assistance immediately. In case of
eye contact, ush immediately with plenty of water for at
least 20 minutes and get medical attention; for skin, wash
thoroughly with soap and water. If swallowed, get medical
attention immediately.
KEEP OUT OF REACH OF CHILDREN – DO NOT TAKE
INTERNALLY.
This information is provided “as is” and no representations or warranties, either express or implied, of merchantability, tness for a particular purpose or of any other
nature are made with respect to this information or to any product referred to in this information. For SDS or to consult with a Behr Paint Company representative,
call 1-800-854-0133 Ext. 2 (U.S.A. only). ©2020 Behr Process Corporation, Santa Ana, CA 92705 U.S.A.
Revised 10/2020
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