Sheet 1380
High-µ Magnetic Shielding with
Thermosetting Rubber Adhesive
Data Sheet
Product Description
3M™ High-µ Magnetic Shielding Sheet 1380
consists of a soft magnetic sheet sandwiched
between layers of PET polymer film and coated
with a unique pressure-sensitive thermosetting
rubber adhesive.
• Soft magnetic sheet with excellent magnetic
shielding properties
• Thin, flexible and lightweight magnetic shield
layer
• 2 layers of thin, flexible PET polymer film
• Thermosetting rubber adhesive
• Supplied on a removable liner for easy handling
and die-cutting
Please consult with sales representatives about custom
width and length.
Applications
3M Sheet 1380 is typically used for applications
requiring excellent magnetic shielding properties
at low frequency. Common uses include magnetic
shielding at low frequency in mobile phone,
personal computer, CRT, etc.
Structure
1 of 1
Properties Typical Values for Products
1380 Sheet Grain-Oriented Silicon Steel
(as reference)
Total thickness (mm) 0.3 0.35
Typical Values for Magnetic Layer
Thickness (mm) 0.02 0.35
Magnetic flux density (T) 1.23 1.83
Maximum magnetic permeability @ 50 Hz 100,000 60,000 (@ DC)
Density (g/cc) 7.3 7.65
Resistivity (micro Ω · meter) 1.2 0.48
