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Five Minutes To See How To Choose Refractory Bricks Refractory materials generally refer to inorganic non-metallic materials with a refractory of not less than 1580°C. However, the definitions vary around the world, for example, the international standard officially published by the International Organization for Standardization (ISO) stipulates that “refractory materials are non-metallic materials or products with refractories of at least 1500°C”. Email:[email protected] Website:www.perref.com



