T/CAS ES039102007-2022 Active

Scope: This document specifies the evaluation procedures and requirements for the quality grading of mullite insulating refractory bricks, including evaluation methods and quality grading. This document is applicable to the quality grading evaluation activities of mullite insulating refractory bricks. Main technical content: 1. Scope: This document specifies the evaluation procedures and requirements for the quality grading of mullite insulating refractory bricks, including evaluation methods and quality grading. This document is applicable to the quality grading evaluation activities of mullite insulating refractory bricks. 2. Normative references: The content of the following documents is an integral part of this document through normative references. Among them, the referenced documents with a date are only applicable to the version corresponding to that date; the latest version (including all amendment sheets) of the non-dated referenced documents is applicable to this document. - GB/T 2998: Test Methods for Bulk Density and True Porosity of Set Insulating Refractory Products - GB/T 5072: Test Methods for Compression Strength of Refractory Materials at Room Temperature - GB/T 5988: Test Methods for Permanent Line Change of Refractory Materials after Heating - GB/T 5989: Test Methods for Load Softening Temperature of Refractory Materials – Differential Temperature Rising Method - GB/T 6900: Chemical Analysis Methods for Alumina-Silica Refractory Materials - GB/T 21114: X-Ray Fluorescence Spectrometry Chemical Analysis of Refractory Materials – Molded Glass Slide Method - GB/T 35845-2018: Mullite Insulating Refractory Bricks - YB/T 4130: Test Methods for Thermal Conductivity of Refractory Materials (Water Flow Plate Method) - T/CAS ES000000001-2022 (V01): General Rules for Quality Grading Evaluation of Industrial Products