The company has more than 130 years of outstanding development, materials and technology expertise and offers a broad portfolio of high-quality products and intelligent solutions. SCHOTT is an innovative enabler for many industries, including the home appliance, pharma, electronics, optics, life sciences, automotive and aviation industries. SCHOTT strives to play an important part of everyone’s life and is committed to innovation and sustainable success. The parent company, SCHOTT AG, has its headquarters in Mainz (Germany) and is solely owned by the Carl Zeiss Foundation. As a foundation company, SCHOTT assumes special responsibility for its employees, society and the environment.
SCHOTT AG’s NEXTREMA® series of glass-ceramics are considered a suitable material available in the market today for 3D printer heat bed applications.
To be an efficient print surface, the glass must have a non-porous surface, be a good conductor of heat (be transparent in the infrared zone), have a high service temperature and be resistant to thermal shocks. NEXTREMA® is not just a glass, it is a glass-ceramic. The ceramic infusions suppress thermal expansion and provide high heat conductivity which together ensure that these materials can withstand huge changes in temperature. This is shown clearly in the thermal expansion dependence of the NEXTREMA® line of glass-ceramics: the overall thermal expansion is below 1% for up to 700°C.
NEXTREMA® can withstand temperatures of up to 950°C which are perfectly suited to the requirement of common PLA and ABS type 3D printers. Besides the high service temperature and the thermal shock resistance, they are transparent in the IR region making them excellent conductors of heat. Further, they remain gas impermeable and chemically inert even at high temperatures ensuring that their surface properties do not change with use cycles.
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