Fabricators of Adhesive Tapes & Flexible Materials
3M™ 7961MP Double-coated Membrane Switch Spacers features 2 mils high performance acrylic adhesive 200MP. Outstanding resistance to temperature extremes, chemicals and humidity assures that the switch will perform through difficult environmental conditions and millions of actuations.  
Unit of Measure


N/A 3M™

Brand Part Number

N/A 7961MP

Primary Application

N/A Bonding

Application Description

  • Meets requirements of most long-term applications
  • Used as spacer for circuit separation such as membrane keyboards


  • High performance and meets most long-term applications.
  • Extremely aggressive.
  • Outstanding resistance to temperature extremes, chemicals and humidity.
  • Resists oozing, lifting and separation of switch layers.
  • Excellent peel adhesion and shear strength.
  • Excellent adhesion to high surface HSE plastics and metal surfaces.

Markets Served

N/A Electrical Electronics


N/A Polyester Film

Adhesive Coating

N/A Double Coated

Adhesive Type

N/A Acrylic

Adhesive Thickness

N/A 2.0 mil

Release Liner

N/A 58 lb Polycoated Kraft Paper

Adhesive Thickness

N/A 11.0 mil

Maximum Width/ Master Roll Width

N/A 48 in

Service/Operating Temperature

N/A Resistance to 400 ºF

N/A The physical properties listed are typical values based on PSTC, ASTM and other standard tests. This data should be used as guides only, and not as specification limits. Our recommendations for use are based on practical experience and testing. However, it is the responsibility of the user to determine the suitability of the product for his intended use. MBK Tape Solutions will not assume liability for claims beyond the replacement value of our product proved to be defective.

© 2018, MBK Tape Solutions  |  Site created by Thomas Web Solutions and powered by Navigator Platform