3M™ Scotch-Seal™ Mastic Tape and Pads 2229 are conformable, durable, tacky
mastic coated on an easy release liner. The product is designed for quick and easy
insulating, padding and sealing of objects that need to be protected from adverse
environmental conditions. It is well suited for corrosion protection applicants and is
resistant to U.V. radiation.
Data Sheet May 2013
Agency Approvals & Self Certifications
"RoHS 2011/65/EU" means that the product or part does not contain any of the
substances in excess of the maximum concentration values (“MCVs”) in EU RoHS
Directive 2011/65/EU. The MCVs are by weight in homogeneous materials. This
information represents 3M's knowledge and belief, which may be based in whole or in
part on information provided by third party suppliers to 3M.
Excellent adhesion and sealing characteristics to metals, rubbers, synthetic cable
insulations and jackets.
Stable over wide temperature range while maintaining its sealing properties.
Conformable and moldable for easy applications over irregular surfaces.
Does not crack when subjected to repeated flexing.
Fully compatible with most semi-con jacketing materials.
Material exhibits self-healing characteristics after being punctured or cut.
Exhibits very low cold-flow.
Retains its flexibility at low temperatures resulting in ease of application and
continuous performance at reduced temperatures.
For sealing high-voltage cable splice and termination accessories for
90º C continuous operating temperature.
For insulating electrical connections rated up to 1000 volts if over
wrapped with vinyl or rubber electrical tape.
For padding irregular-shaped connections.
For providing corrosion protection to a wide variety of electrical
connections and applications.
For sealing ducts and cable end seals.
For sealing against dust, soil, water and other environmental conditions
The appropriate length of 3M™ Scotch-Seal™ Mastic Tape 2229 can easily be cut off the
roll by using a sharp knife or suitable protected razor blade. It can be applied in layers or
Shelf-Life This product has a 5-year shelf life from date of manufacture when stored in a humidity controlled storage (10°C / 50°F to 27°C / 80 °F and <75% relative humidity).