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3M 7957MP Hi-Performance Acrylic 200MP

Category Polymer , Adhesive
Manufacturer 3M
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M 7957MP Hi-Performance Acrylic 200MP.pdf
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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 sideInformation provided by 3M
Physical Properties Metric English Comments
Thickness 50.8 microns
2.00 mil
Adhesive
50.8 microns
2.00 mil
Adhesive
76.2 microns
3.00 mil
Polyester
Mechanical Properties Metric English Comments
Shear Strength 0.455 MPa
66.0 psi
Cohesion Dynamic, PET/Polycarbonate; ASTM D1002
0.545 MPa
79.0 psi
Cohesion Dynamic, PET/Stainless Steel; ASTM D1002
Peel Strength 0.40538 kN/m
2.3125 pli
90° Peel, PET/PET, Initial (20 mins); ASTM D3330
0.44921 kN/m
2.5625 pli
90° Peel, PET/Polycarbonate, Initial (20 mins); ASTM D3330
0.5916 kN/m
3.375 pli
90° Peel, PET/Stainless Steel, Initial (20 mins); ASTM D3330
0.657 kN/m
3.75 pli
90° Peel, PET/PET, 72 hrs at RT; ASTM D3330
0.7231 kN/m
4.125 pli
90° Peel, PET/Aluminum, Initial (20 mins); ASTM D3330
0.7231 kN/m
4.125 pli
90° Peel, PET/Polycarbonate, 72 hrs at RT; ASTM D3330
0.789 kN/m
4.50 pli
90° Peel, PET/Polycarbonate, 72 hrs at 70°C; ASTM D3330
0.79981 kN/m
4.5625 pli
90° Peel, PET/Aluminum, 72 hrs at RT; ASTM D3330
1.0408 kN/m
5.9375 pli
90° Peel, PET/Stainless Steel, 72 hrs at RT; ASTM D3330
1.49 kN/m
8.50 pli
90° Peel, PET/PET, 72 hrs at 70°C; ASTM D3330
1.62 kN/m
9.25 pli
90° Peel, PET/Aluminum, 72 hrs at 70°C0; ASTM D3330
1.6763 kN/m
9.5625 pli
90° Peel, PET/Stainless Steel, 72 hrs at 70°C; ASTM D3330
Thermal Properties Metric English Comments
CTE, linear 5.40 µm/m-°C

@Temperature 27.0 - 175 °C
3.00 µin/in-°F

@Temperature 80.6 - 347 °F
ASTM D696
Electrical Properties Metric English Comments
Volume Resistivity 1.30e+15 ohm-cm
1.30e+15 ohm-cm
ASTM D257
Surface Resistance >= 5.60e+16 ohm
>= 5.60e+16 ohm
ASTM D257
Insulation Resistance 1.10e+13 ohm
1.10e+13 ohm
100VDC, 60 sec; Mil-I-46058C
Dielectric Constant 3.33
3.33
ASTM D150
Dielectric Strength 66.9 kV/mm
1700 kV/in
ASTM D149
Dissipation Factor 0.013
0.013
ASTM D150
Descriptive Properties Value Comments
Adhesive Type 200MP
Liner 58# PCK 4.2
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