New packaging material --- ultra-thin pure iron foil

A Japanese company developed an ultra-thin pure iron foil suitable for packaging electronic equipment and semiconductors. It is a kind of pure iron film with an iron content of 99.9% or more. It has many advantages: 1. High mechanical strength, equivalent to 3 times the strength of hard aluminum foil, and 6 times that of soft aluminum foil; 2. It has high permeability. Rate, good magnetic absorption capacity and electromagnetic shielding ability; Third, with a high melting point of 1500 °C, good fire resistance; Fourth, good moisture resistance; Fifth, it is easy to apply adhesives and coatings on the above; Iron foil with a thickness of only 20 microns and a width of up to 1.2 meters can be mass-produced.

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