3M 851ST

3M 851ST is a polyester tape with a silicone adhesive designed for powder coating and other high-temperature masking applications. Green.

• Color: Green
• Thickness: 2.4 mils (0.060 mm)
• Backing: Polyester film
• Adhesive: Silicone
• Standard roll length: 50m | 55yd

3M™ Polyester/Silicone Tape 851ST is a green polyester tape with a silicone adhesive designed for powder coating and other high temperature masking applications.

• Abrasion, chemical, and thermal resistant
• Removes cleanly from stainless steel after 30 min at 218°C (425°F)
• Higher heat resistance as compared with acrylics
• Easy and clean removability
• Polyethylene tape core instead of cardboard

• Masking edges of overlap seams in the metal bonding process where the excess epoxy (“flash”) flows onto the tape.
• Clean-up is virtually complete when the tape is removed.
• Protective overall mask on panels subject to mild caustic or acid bath etching and to help prevent scratches during handling prior to bonding operations.
• Holding of parts or vacuum bags during the bonding operation.
• Mask for the metal in acid or caustic chemical milling baths.
• Paint mask for areas subject to high-temperature bake cycles.
• Splicing of silicone liners and papers.
• Splicing of films subject to high temperatures.