Application Guide
Application Instructions: The liquid contents of the packet should be
completely used as soon as possible after opening. The packet can be
opened by tearing across the top of the packet at the notches. This will
expose the sponge applicator. Do not remove the sponge or squeeze a
freshly opened packet. Handling the bottom section of the packet will
enable application of 3M adhesion promoter 4298 with no mess. Apply a
thin, uniform coating to the bonding surface, using the minimum amount
that will fully coat the surface. A wet coating thickness of 0.002 inch or less
is recommended. Apply promoter only to areas that will be fully covered
with tape. Although drying times may vary due to temperature and/or
humidity, a drying time of 30 to 90 seconds is recommended. The primer
should be dry before applying tape. For best results, apply tape
immediately after primer application or no more than one hour afterwards.
Be sure the primed surface remains free from contaminants prior to tape
application. Flashpoint: -20°C (-4°F), Coverage: Approximately 150 square inch/ packet

