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3M™ Membrane Switch Spacer 7957MP Clear, 7 mil, Custom Sizes Available

3M ID  70000042120    3M Product Number  7957MP     
3M(TM) Membrane Switch
3M(TM) Membrane Switch
3M™ Membrane Switch Spacer 7957MP is a 2.0 mil 200MP high-performance acrylic adhesive double coated on each side of 3.0 mil polyester film carrier with double liner of 4.2 mil 58 lb moisture resistant lay-flat polycoated kraft
  • 7 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.
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High shear strength withstand repeat stresses of switch actuation. Designed to separate switch circuitry until actuation. Same as 3M Membrane Switch Spacer 7945MP with 3.0 mil carrier.


 Adhesive_Type‎‎ Acrylic
 Backing Thickness (metric)‎‎ 0.075
 Back-Side_Adhesive_Thickness‎‎ 2 mil
 Back-Side_Adhesive_Thickness_metric‎‎ 0.05 mm
 Back-Side_Adhesive_Type‎‎ 3M™ High Performance Acrylic Adhesive 200MP
 Brand‎‎ 3M
 Carrier_Thickness‎‎ 3 mil
 Carrier_Thickness_metric‎‎ 0.08 mm
 Carrier Material‎‎ Polyester Film (PET)
 Color‎‎ Clear
 Consumer Label‎‎ No
 Face-Side_Adhesive_Thickness‎‎ 2 mil
 Face-Side_Adhesive_Thickness_metric‎‎ 0.05 mm
 Face-Side Adhesive Type‎‎ 3M™ High Performance Acrylic Adhesive 200MP
 Industries‎‎ Converter Solutions,‎ Automotive,‎ Signage,‎ Point of Purchase,‎ Print,‎ Transportation,‎ Specialty Vehicle,‎ Metalworking,‎ Medical,‎ General Industrial,‎ Military & Government,‎ Appliance,‎ MRO,‎ Electronics,‎ Aerospace,‎ Woodworking
 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 Tan
 Product Form‎‎ Sheet
 Secondary_Liner‎‎ 58# Polycoated Kraft Paper (PCK)
 Secondary_Liner_Color‎‎ Tan
 Shelf Life in Months (from date of manufacture)‎‎ 18
 Size‎‎ Custom
 Tape Thickness‎‎ 7 Milli-inch (mil)
 Thickness‎‎ 7
 Thickness_metric‎‎ 0.18 mm


Technical Paper