Magnetic field shielding film MCL61 | Shielding magnetic alternating fields with 30dB and electrosmog HF up to 63dB screening attenuation | Groundable. Effective against 5G!

from: 99.90

Magnetic field shielding film “MCL61” for shielding magnetic fields of e.g. electric cables or fuse boxes. The shielding effectiveness is already at a high 30dB (equivalent to 99.9% shielding capacity) in a single layer and up to 41dB shielding is achieved with two layers.

In addition, sensational shielding effectiveness of 5G frequencies. Even at high 40 GHz up to 57 dB shielding effectiveness!

Price per yard goods (100 cm x 61 cm)
Quantity = Number of running meters

Delivery time: 3-7 business days | Request test sample possible
Customer-specific cut-off, withdrawal/revocation not possible

Mumetall shielding foil MCL61 from YSHIELD

Magnetic field shielding film MCL61 is a novel shielding film made of an amorphous cobalt alloy. High shielding effectiveness at magnetic fields of 30 dB (99.9% efficiency), two-layer 41 dB (99.99%). Additional high shielding effectiveness against RF radiation up to 63 dB (99-9999%). Effective against 5G!

MCL61 is our novel magnetic shielding film made from an amorphous cobalt alloy for shielding of low-frequency alternating magnetic fields. Also shields low-frequency electric alternating fields (LF) and high-frequency fields (HF).

No shielding from static magnetic fields with MCL61

Unlike this MCL61 shielding film, classic MU-METAL® is capable of shielding from static magnetic fields, but its effect is very weak on the regular 0.1mm-thick films. The MCL61 shielding film’s alloy is made out of cobalt and offers better protection the higher the magnetic fields’ turbulence. Because static or permanent magnetic fields do not have any turbulence, they cannot be shielded against by the MCL61 shielding film.

Request a free test sample

Convincing properties for the MCL61 shielding film

MU-METAL® is soft and sensitive. The shielding can quickly be lost through bending, bumping and processing. It reacts a lot differently with the MCL61 shielding film against magnetic alternating fields. The cobalt strips integrated into the film are even flexible with slight bends and stay hard. The screening effectiveness against magnetic alternating field remains high, even during heavy mechanical use. The cobalt strips are only 20 µm thick, 50 mm wide and are comparable to a very sharp knife.

These cobalt strips are laminated for protection, which brings another benefit – MCL61 is also corrosion-resistant in humid environments. Because of the MCL61 shielding film’s width of 61 cm, large surfaces are also covered considerably quicker than with the regular 15cm-thick MU-METAL® stripes. Furthermore, the MCL61 can be cut with traditional kitchen scissors.

Because the cobalt strips are only 20 µm thick, 50 mm wide and sharp like a knife, we have laminated them for protection. This lamination also makes the MCL61 corrosion-resistant in humid environments. With a width of 61 cm, large surfaces are covered quicker than with the 15cm-thick MU-METAL® strips. MCL61 can be cut with a pair of scissors.

  • LF magnetic field attenuation: 30 dB (97%); The screening depends on the number of phases, the transposition of cables, the surface size, etc. Work extensively: shield cables with 1-2 strips and fuse boxes with 2-4 strips.
  • Width: 61 cm
  • Length: Yard goods / 20 meters roll / 290 meters roll; Because of the high manufacturing costs, we allow ourselves to cut the order quantity into pieces!
  • HF screening attenuation (cell phone radiation): 63 dB

Reliable protection against high-frequency mobile radiation can be crucial and is important!

Made in Germany

Processing of the MCL61 shielding film

One must be mindful of the cutting edges when processing the MCL61 magnetic field shielding film – they are comparable to a sharp knife. In principle, sticking the film on smoothly is laborious and difficult. Very often, small ripples remain visible. Therefore, we recommend covering the surface.

When sticking the film onto a well, ceiling or floor, use a highly-viscous construction adhesive (ex: Pattex Montage “Special”) that sticks to a non-absorbent surface. The process is always the same – smooth the adhesive, lay the film and straighten with a pressure roller or scraper. Let the MCL61 shielding film strips overlap, smooth them, and paint over them with commercial dispersion paint.

Because the shielding film also has an excellent screening attenuation of up to 70 dB against radio pollution, additional HF shielding paint is not needed. We generally recommend adding an earth. It should also be pointed out that the film is a vapor barrier on larger wall surfaces.

MCL grounding set for the MCL61 mu-metal shielding film
MCL grounding set for the MCL61 mu-metal shielding film

Grounding and screening of the MCL61 shielding film

The MCL61 magnetic field shielding film is electrically isolated. Nevertheless, electric fields can be protracted and transmitted. In order to stop this, a lock washer can be screwed onto each strip; these lockers will penetrate the polyester film. The MCL grounding set contains everything needed for 5 to 10 strips of MCL61.

Screening power of the MCL61 film

One layer of MCL61 reaches a screening attenuation of up to 30 dB against low-frequency magnetic alternating fields. Two layers can even reach up to 40 dB attenuation. The attenuation values are often checked in the laboratory – HF with ASTM D4935-10 and LF magnetic fields with ASTM A698/A698M-07.

MCL grounding set

MCL61 magnetic field shielding film technical info

  • Quantity / Length
    Yard goods / 20 meters roll / 290 meters roll. Cut in measures of 1.0 running meter. Because of the high manufacturing costs, we allow ourselves to cut the order quantity into pieces! If tailor-cut, it is not possible to return or cancel the order. You can request a free sample.
  • Width
    61 cm
  • MF magnetic field screening
    30 dB (97%) with one layer. Up to 41 dB with two layers. The screening depends on the number of phases, the transposition of cables, the surface size, etc. Work extensively: shield cables with 1-2 strips and fuse boxes with 2-4 strips.
  • HF screening attenuation
    Up to 63 dB. All values provided apply for 1 GHz. Measurement from 40/600 MHz to 40 GHz according to standards ASTM D4935-10 or IEEE Std 299-2006.
  • Grammage
    265 g/m²; Thickness: 0.1 mm. Color: Silver
  • Permeability
    µ 2 = 10.000; µ 4 = 25.000; µ max. = 100.000;
  • Bs saturation induction
    0.55 T
  • Hc coercivity:
    0.5 A/m
  • Br/Bs remanence
    0.7
  • Tc Curie temperature:
    225 °C
  • Materials:
    Polyester, Co69, Fe4, Mo4, Nb1, Si16, B7
  • Application
    Floor, ceiling, indoor walls, magnetic field, outdoor walls
  • Field type
    MF (Low-frequency magnetic alternating fields)
  • Ecology
    Normal
  • Color
    Silver

No cancellation for the MCL61 shielding film

Like for cuts, there is no right to return shielding fabric.

Please note that revocations do not apply to these products, because they were cut to the customer’s specifications. Reselling a tailored item is no longer possible. For this reason, it is possible to request a free MCL61 shielding film test sample. By ordering pre-finished products, waiving the statutory right to return goods is accepted.

Documentation of the MCL61 shielding film (.pdf)

Technical details Laboratory report screening attenuation
Weight 0.3 kg
Dimensions 100 × 61 × 0.01 cm
Length  

Running meter, 20 meters, 290 meters, 0.5 meter

Screening attenuation

HF up to 75 dB, MF up to 30 dB with one layer, MF up to 40 dB with two layers

Application

Ceiling, Floor, Indoor wall, Magnetic field, Outdoor wall

Field type

HF (high-frequency electromagnetic field), LF (low-frequency electric alternating field), MF (low-frequency magnetic alternating field)

Ecology

Normal

Colour

Grammage

265 g/m². Thickness: 0.1 mm

Permeability

µ 2 = 10.000; µ 4 = 25.000; µ max. = 100.000;

BS saturation induction

0.55 T

HC coercivity

0.5 A/m

Br/Bs remanence

0.7

TC Curie temperature

225 °C

Ingredients

, , , , , ,

Country of origin

Germany

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