Smalley and Company

3M 3320 Fsk Facing Tape

An aluminum foil/ fiberglass scrim/kraft paper backing with an acrylic adhesive having a Kraft paper liner designed for sealing fibrous and sheet metal ducts.
The fiberglass scrim provides strong reinforcement and foil backing makes the application inconspicuous.
Aggressive acrylic adhesive that sticks to a variety of surfaces, textures, temperatures and environmental conditions.
Mold resistant and broad temperature range.
UL 723 listed for assurance of low flame spread and smoke developed indices.
6.7 mils in thickness.
Application ideas:

Ideal for sealing rigid and blanket style fiberglass duct insulation and mineral wool foil faced insulation.
Use as an insulation vapor seal.
Make inconspicuous repairs to tears in foil backed insulation.

Product Number	Product Description	Product Data	Product MSDS
3MT 31530	3M 3320 Fsk Facing Tape 2" X 50 Yd Silver 24/cs
3MT 31531	3M 3320 Fsk Facing Tape 3" X 50 Yd Silver 16/cs