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April, 2015

3M™ Polyester Tape 8991/8991L

Product Description

3M™ Polyester Tape 8991 is a blue polyester tape with a silicone adhesive.

It can be used in a large variety of high temperature applications including

powdercoat masking, ashbreaker, and bag sealing applications. Additional

applications include, splicing, tabbing, or roll closing silicone treated liners

or materials.

Product Features

• Polyester lms o er excellent thermal, abrasion, and chemical resistance

while maintaining their exibility.

• Blue color makes tape placement obvious for both application and

removal.

• Thin backing leaves a sharp paint line and some conformability.

• Silicone adhesives o er high heat resistance compared to many rubber

and acrylic adhesives, reducing failure due to softening, oozing, and

adhesive transfer.

• Silicone adhesives adhere well to tough-to-stick-to surfaces like silicone

liners and xtures coated with mold release.

• Silicone adhesive removes cleanly from many surfaces.

• Linered version available for die-cuts.