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Metal adhesives

3M 7961MP Hi-Performance Acrylic 200MP
Categories: Polymer; Adhesive

Material Notes: This adhesive meets the requirements of most long-term applications. It offers temperature resistance to 400°F (204°C). Peel adhesion values are excellent on most membrane switch substrate materials. It features exceptional shear strength and adhesion to high surface energy (HSE) plastics and metal surfaces.

Designed to meet the performance requirements of most membrane keyboards. Outstanding resistance to temperature extremes, chemicals and humidity. Also resists oozing, lifting and separation of switch layers. All products feature 2 mils of 200MP on each side

Information provided by 3M

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Physical PropertiesMetricEnglishComments
Thickness 50.8 microns2.00 milAdhesive
 50.8 microns2.00 milAdhesive
 178 microns7.00 milPolyester
 
Mechanical PropertiesMetricEnglishComments
Shear Strength 0.455 MPa66.0 psiCohesion Dynamic, PET/Polycarbonate; ASTM D1002
 0.524 MPa76.0 psiCohesion Dynamic, PET/Stainless Steel; ASTM D1002
Peel Strength 0.3287 kN/m1.875 pli90° Peel, PET/Aluminum, Initial (20 mins); ASTM D3330
 0.36156 kN/m2.0625 pli90° Peel, PET/Stainless Steel, Initial (20 mins); ASTM D3330
 0.38347 kN/m2.1875 pli90° Peel, PET/PET, Initial (20 mins); ASTM D3330
 0.40538 kN/m2.3125 pli90° Peel, PET/Polycarbonate, Initial (20 mins); ASTM D3330
 0.60259 kN/m3.4375 pli90° Peel, PET/Polycarbonate, 72 hrs at RT; ASTM D3330
 0.66833 kN/m3.8125 pli90° Peel, PET/PET, 72 hrs at RT; ASTM D3330
 0.73407 kN/m4.1875 pli90° Peel, PET/Polycarbonate, 72 hrs at 70°C; ASTM D3330
 0.7669 kN/m4.375 pli90° Peel, PET/Aluminum, 72 hrs at RT; ASTM D3330
 1.1066 kN/m6.3125 pli90° Peel, PET/Stainless Steel, 72 hrs at RT; ASTM D3330
 1.36 kN/m7.75 pli90° Peel, PET/PET, 72 hrs at 70°C; ASTM D3330
 1.468 kN/m8.375 pli90° Peel, PET/Aluminum, 72 hrs at 70°C0; ASTM D3330
 1.4791 kN/m8.4375 pli90° Peel, PET/Stainless Steel, 72 hrs at 70°C; ASTM D3330
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 2.20e+15 ohm-cm2.20e+15 ohm-cmASTM D257
Surface Resistance >= 5.60e+16 ohm>= 5.60e+16 ohmASTM D257
Insulation Resistance 1.60e+13 ohm1.60e+13 ohm100VDC, 60 sec; Mil-I-46058C
Dielectric Constant 3.423.42ASTM D150
Dielectric Strength 59.1 kV/mm1500 kV/inASTM D149
Dissipation Factor 0.0100.010ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 4.10 µm/m-°C
@Temperature 27.0 - 175 °C
2.28 µin/in-°F
@Temperature 80.6 - 347 °F
ASTM D696
 
Descriptive Properties
Adhesive Type200MP
Liner58# PCK 4.2

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PMM33312 / 168059

Metal adhesives

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