We are currently launching a manufacturing program for thicknesses of 2μm to 10μm! We aim to be involved in various fields, including medical applications.
Rikazai Co., Ltd. is developing thin foil through cold rolling processing of high-performance materials. We are currently establishing a manufacturing process for pure magnesium foil with a thickness of 2μm to 10μm. We aim to engage in various fields such as electromagnetic shielding, vibration damping, and medical applications, utilizing the high-performance characteristics of magnesium. [Features] - Currently establishing a manufacturing process for pure magnesium foil with a thickness of 2μm to 10μm. - We intend to engage in various fields such as electromagnetic shielding, vibration damping, and medical applications, utilizing the high-performance characteristics of magnesium. *For more details, please refer to the PDF document or feel free to contact us.
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【Our Features】 ■ A company skilled in producing thin foil ■ We support all of the following: ・ Sourcing materials from both domestic and international suppliers ・ Manufacturing various metal foils through cold rolling ・ Coordination with various secondary processing manufacturers capable of thin foil processing ■ Dedicated to metal foil since our establishment in 1947 * For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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In 1947, Rikazai focused on foil, which held infinite possibilities as a metal material, and started a rolling business to commercialize it. Our metal foil has been used as spacers for magnetic heads in tape recorders, as well as in various applications such as electrical resistance films, burst membranes, and speaker diaphragms, responding to the diverse needs of the industry. Currently, we are capable of producing high-quality foil with a thickness of up to 0.3μm (3 micrometers). The meticulous finishing of each metal foil through precision ultra-thin rolling can be described as a delicate "artisan's skill," treating metal as if it were a living entity. So, how can such ultra-thin foil be produced? Kanazawa gold leaf is made by repeatedly hammering it until it is spread thin and wide, much like rolling out pie dough. While it does become quite thin, it is not uniform overall and is primarily used for decorative purposes, such as being applied to Buddhist statues. In contrast, the typical precision rolling method for metals involves passing the material between upper and lower rolling rolls, where the pressure from the rolls stretches it. This process can be done cold or hot, and various techniques are required depending on the type and amount of metal and the scale of rolling, making it a world of "skills" backed by years of experience and expertise.
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