Our versatile general-purpose box pot with excellent resistance to reactivity and thermal shock!
The "KR-4A" is our versatile crucible that has been used for various applications over many years. It features excellent resistance to reactions and thermal shock (thermal expansion rate of 0.32%), with a safe operating temperature of 1250°C. We offer a variety of crucible sizes. Please feel free to contact us when you need assistance. 【Chemical Composition】 ■Al2O3: 56.9% ■SiO2: 34.4% ■MgO: 6.5% ■Fe2O3: 0.6% *For more details, please download the PDF or feel free to contact us.
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basic information
【Representative Characteristics】 ■Porosity: 27.5% ■Bulk Density: 2.12 ■Apparent Density: 2.93 ■Bending Strength (RT): 11 MPa ■Thermal Expansion Rate (RT→1000℃): 0.32% ■Safe Operating Temperature: 1250℃ *For more details, please download the PDF or feel free to contact us.
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Our company, founded in 1972, is composed of two divisions: the trading division and the manufacturing division. In the trading division, we sell raw materials and refractories for ceramics and steelmaking, as well as various labor-saving machines related to ceramics. In the manufacturing division, we produce decorative terracotta and tiles of various sizes, and we also provide contract firing for various firing processes and catalysts. The refractories and decorative building materials, including terracotta of various sizes, that we propose and provide, taking into account production efficiency and durability for specific applications, have received high praise in the industry, and we confidently engage in business negotiations. We possess ample experience in firing related to ceramics, including special glass and various catalysts, along with the know-how and equipment to meet the increasingly diverse demands. We believe we can provide satisfactory responses to inquiries regarding various firing process tests and production. As we move towards a diversifying society, please consider our company, which is capable of proactive responses, for your needs.
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