This is a glass plate with a small thermal expansion rate and excellent heat resistance. It is equivalent to Pyrex. We will manufacture it in the size you desire.
Tempax is a borosilicate glass from the German company Schott, which has a low thermal expansion coefficient and exhibits excellent heat resistance and thermal shock resistance in various fields. For items with a thickness of 20t or less, we prepare standard products that are finished with a flat surface using the float method. There are also several types of roll plates with thicknesses ranging from 28.6 to 57.2t, so while polishing is necessary, we can also supply thicker plates over 20t.
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basic information
◆Heat Resistance Temperature Normal Use: 450℃ (Long-term / over 10 hours) Maximum Use: 500℃ (Short-term / under 10 hours) ◆Thermal Shock Resistance Temperature (Temperature difference for sudden temperature changes) 175℃ (Plate thickness 3.8t) 125℃ (Plate thickness 15t)
Price range
Delivery Time
※It varies depending on the size, etc. Please contact us.
Applications/Examples of results
Heat-resistant sight glass. Peek window for pressure vessels. Protective glass for floodlighting. Surface mirror lens substrates, etc.
Company information
In 1907, we established a private business, a scientific glass processing plant, in the Kita Ward of Osaka City. Subsequently, in 1957, we reorganized into a corporation in line with the development of the business, becoming what is now Fuji Rika Kogyo Co., Ltd. Our main operations have been the production of glass products and the sale of scientific instrument manufacturer products. For over 100 years, we have steadily progressed alongside scientific glass and scientific instruments. However, we will cease operations at the end of June 2024 and will begin operations in July under MIZUKEN Co., Ltd. (formerly the Comprehensive Water Research Institute).
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