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MCL61 is our novel magnetic shielding film made from an amorphous cobalt alloy for shielding of low-frequency magnetic fields. Also shields low-frequency electric fields (LF) and high-frequency fields (HF).Magnets are not shielded!
Statical magnetic fields: Other than stated in the headline, this product is not MUMETALL®. We are utilizing a newer alloy which provides a better shielding. MUMETALL® is promoted to shield statical magnetic fields, referred to the usually used foils (material thickness 0.1 mm) the effect of the shielding is quite low indeed. We are using cobalt based alloy which attenuation is increasing from strength to strength of the velocity of the magnetic fields. There are no velocities by statical magnetic fields or by permanent magnets, that is why this product won´t shield those.
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Magnetic Field - Mu-metal Shielding Film MCL61
In comparison with MUMETALL® foil our new MCL61 has many advantages: MUMETALL® is soft and sensitive, on bending, to shocks and on processing it looses the attenuation very fast. The cobalt strips in our MCL61 are flexible but hard even at small bending radii. The attenuation remains constant even at high mechanical stress.
Because the cobalt strips are only 20 µm thin, 50 mm width and sharp like a knife, we laminate it for protection.
Due to the lamination MCL61 is corrosion-resistant even in humid environments.
With a width of 61 cm big areas are shielded faster compared to 15 cm width MUMETALL® foil. MCL61 can easily be cut with scissors.
| Weight | Price | |||
|---|---|---|---|---|
| Magnetic field - shielding film MCL61/20 Metre roll/Width 61cmMCL61/20M | 3.27 kg | £1424.25 | ||
| Magnetic shielding film/Metres/Width: 61 cmMCL61 | 0.165 kg | £73.42 | ||
Technical Specification
Width: 61 cm
Length: 1 metre, available by the running meter.
You can also order this product in measurements of your choice. For example:- 4.6 linear meters!
Attenuation LF magnetic field: 30 dB (97 %); The attenuation depends on the number of phases,
cable twisting, the size of the area, etc.
Work in large areas: Shield cables with 1-2 sheets, fuse-boxes with 2-4 sheets.
Attenuation HF: 40 dB at 1 GHz (see thumbnail graph)
Weight: 265 g/m²
Material thickness: 0.1 mm
Colour: Silver
Permeability: µ 2 = 10,000; µ 4 = 25,000; µ max. = 100,000; Saturation polarization: 0.55 T
Materials: Polyester, Co69, Fe4, Mo4, Nb1, Si16, B7.
Delivery Time: Usually between 2 - 3 working days
Processing
Warning: The cutting edges are sharp like a knife!
Important: Its difficult to glue the film free of creases, best cover the area with solid wall coverings.
Wall, ceiling, floor: Best use a high-viscous assembly adhesive, that adheres to non-absorbent substrates. Smooth the glue, lay up the film, smooth with a pressure roller or squeegee. The sheets of MCL61 should be overlapped, level out the overlappings, paint it over with any commercial synthetic dispersion paint. Please pay attention that the film is a steam brake on wall areas!
Grounding
MCL61 is electrically isolated. To ground it, every sheet/length has to be screwed with a chopper disk, that penetrates the polyester film. The grounding set MCL contains all for 10-20 sheets/lengths. Can be used in conjunction with our Stainless steel tape ELB (Gauze & MCL61 Apps).
Shielding attenuation
The shielding attenuations are regularly tested in our own laboratory, HF due to ASTM D4935-10, the LF magnetic field due to ASTM A698/A698M-07. You'll find the test report above
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