Transparent glass-ceramic with near zero thermal expansion: SCHOTT NEXTREMA® transparent (724-3)

NEXTREMA® transparent is the glass-ceramic with the highest resistance to temperature shocks out of all six material types: it can withstand even drastic temperature differences of up to 820 °C. This is what makes this transparent glass-ceramic top choice for high-temperature processes. Another benefit of the premium material is the high transmission of shortwave infrared light. Temperature shock resistant, infrared-permeable, transparent: this glass all-rounder with clear through-vision has enormous potential in all sectors of industrial and product design. This outstanding transparent material type is advisable wherever processes need to be monitored or inner workings made visible – especially in high temperature processes.


Key properties
 
  • Fire and ice? Nothing shocks this glass-ceramic. Temperature shock-resistant up to 820 °C.
  • Near zero material expansion: Resilient material with a linear thermal glass expansion coefficient of almost zero.
  • Transmits shortwave light: high transmission in infrared spectrum

Example fields of application
 
  • Cover plates for radiant heating elements in industrial processes
  • Inspection windows for high-temperature processes
  • Support plates for high-temperature processes
  • Substrates for transparent thin-layer heating elements
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Standard forms of delivery

The current status of availability by material and form of delivery has to be requested by the customer. Not all combinations are producible. Other forms of delivery are available on request.


General appearance

Transparent, translucent white, translucent bluegrey, opaque white, opaque grey, tinted. One-sided nubs are available on request. The surface texture depends on the thickness. Decoration is available on request.


 

Flat cut-to-size panels

Thickness Standard length
Min. - Max.
Standard width
Min. - Max.
Profile
2 mm 50–1,915 mm 50–860 mm On request
3 mm 50–1,930 mm 50–1,075 mm C, U, V
4 mm 50–1,930 mm 50–1,075 mm C, U, V
5 mm 50–1,930 mm 50–1,075 mm C, U, V
6 mm 50–1,930 mm 50–1,060 mm C, U, V
≥ 8 mm 50–on request 50–960 mm C, U, V
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Bent panels

Formats of bent panels on request. Various shapes are available.
Further data and information available on request. Please do not hesitate to contact us. We will gladly be of assistance.
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SCHOTT NEXTREMA® applications – together we can create something revolutionary

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