3M 7956MP Hi-Performance Acrylic 200MP

Category	Polymer , Adhesive
Manufacturer	3M
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	3M 7956MP Hi-Performance Acrylic 200MP.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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	Polyester
	50.8 microns	2.00 mil	Adhesive

Mechanical Properties	Metric	English	Comments
Shear Strength	0.538 MPa	78.0 psi	Cohesion Dynamic, PET/Polycarbonate; ASTM D1002
	0.710 MPa	103 psi	Cohesion Dynamic, PET/Stainless Steel; ASTM D1002
Peel Strength	0.351 kN/m	2.00 pli	90° Peel, PET/Aluminum, Initial (20 mins); ASTM D3330
	0.482 kN/m	2.75 pli	90° Peel, PET/PET, Initial (20 mins); ASTM D3330
	0.51494 kN/m	2.9375 pli	90° Peel, PET/Polycarbonate, Initial (20 mins); ASTM D3330
	0.5478 kN/m	3.125 pli	90° Peel, PET/Stainless Steel, Initial (20 mins); ASTM D3330
	0.73407 kN/m	4.1875 pli	90° Peel, PET/Polycarbonate, 72 hrs at 70°C; ASTM D3330
	0.79981 kN/m	4.5625 pli	90° Peel, PET/PET, 72 hrs at RT; ASTM D3330
	0.82172 kN/m	4.6875 pli	90° Peel, PET/Aluminum, 72 hrs at RT; ASTM D3330
	0.833 kN/m	4.75 pli	90° Peel, PET/Polycarbonate, 72 hrs at RT; ASTM D3330
	1.2381 kN/m	7.0625 pli	90° Peel, PET/Stainless Steel, 72 hrs at RT; ASTM D3330
	1.293 kN/m	7.375 pli	90° Peel, PET/PET, 72 hrs at 70°C; ASTM D3330
	1.71 kN/m	9.75 pli	90° Peel, PET/Stainless Steel, 72 hrs at 70°C; ASTM D3330
	1.7201 kN/m	9.8125 pli	90° Peel, PET/Aluminum, 72 hrs at 70°C0; ASTM D3330

Thermal Properties	Metric	English	Comments
CTE, linear	5.10 µm/m-°C @Temperature 27.0 - 175 °C	2.83 µin/in-°F @Temperature 80.6 - 347 °F	ASTM D696

Electrical Properties	Metric	English	Comments
Volume Resistivity	8.90e+14 ohm-cm	8.90e+14 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	3.4	3.4	ASTM D150
Dielectric Strength	66.9 kV/mm	1700 kV/in	ASTM D149
Dissipation Factor	0.015	0.015	ASTM D150

Descriptive Properties	Value	Comments
Adhesive Type	200MP
Liner	58# PCK 4.2

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