3M Membrane Switch Spacer 7959MP

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Attribute Name
Adhesive Type
Backing Thickness (metric)
Back-Side Adhesive Thickness
2 mil
Back-Side Adhesive Thickness (metric)
0.05 mm
Back-Side Adhesive Type
3M™ High Performance Acrylic Adhesive 200MP
Carrier Material
Polyester Film (PET)
Carrier Thickness
5 mil
Carrier Thickness (metric)
0.13 mm
Face-Side Adhesive Thickness
2 mil
Face-Side Adhesive Thickness (metric)
0.05 mm
Face-Side Adhesive Type
3M™ High Performance Acrylic Adhesive 200MP
Aerospace, Appliance, Automotive, Converter Solutions, Electronics, General Industrial, Medical, Metalworking, Military & Government, MRO, Point of Purchase, Print, Signage, Specialty Vehicle, Transportation, Woodworking
180 Linear Yard, 36 Inch
Length (Metric)
0.91 m, 164.59 m
Master Size Length
360 Linear Yard
Master Size Width
48 Inch
Maximum Operating Temperature (Fahrenheit)
400 Degree Fahrenheit
Minimum Operating Temperature (Fahrenheit)
-40 Degree Fahrenheit
Primary Liner
58# Polycoated Kraft Paper (PCK)
Primary Liner Color
Primary Liner Thickness
4.2 mil
Product Form
Roll, Sheet
Secondary Liner
58# Polycoated Kraft Paper (PCK)
Secondary Liner Color
Shelf Life in Months (from date of manufacture)
Tape Thickness
9 Milli-inch (mil)
9 mil
Thickness (Metric)
0.23 mm
Volatile Organic Compounds (VOCs)
See Safety Data Sheet, Regulatory Data Sheet
19.68 Inch, 24 Inch
Width (Metric)
499.87 mm, 609.6 mm
  • 9 mil Double Linered Membrane Switch Spacer with 200MP adhesive. 58 lb lay-flat polycoated kraft paper liners on each side. Both liners are printed.
  • Ideal for circuit separation in switches until actuation. Easy to die-cut and process. Use for steel rule die-cutting.
  • Excellent moisture and solvent resistance. High temperature resistance. High shear strength accomodates the stresses of repeated actuation. UV resistant. Easy to apply. Not messy. Easily die-cutable. Use for selective die-cutting.

3M™ Membrane Switch Spacer 7959MP is a 2.0 mil 200MP high-performance acrylic adhesive double coated on each side of 5.0 mil polyester film carrier with double liner of 4.2 mil 58 lb moisture resistant lay-flat polycoated kraft

High shear strength withstand repeat stresses of switch actuation. Designed to separate switch circuitry until actuation. Same as 3M Membrane Switch Spacer 7945MP with 5.0 mil carrier.

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