Many customers called to say they wanted to know some knowledge about mullite roller hole bricks. Today, the editor will share the relevant information with you, hoping to inspire and help you.
(1) The sampling and acceptance of mullite roll hole brick products are carried out according to GB5.
(2) The two inspection methods of the same inspection item in the standard have the same status. However, when applicable, one inspection method shall be identified according to the technical requirements of the product.
(3) Other defects in the corners and corners are no longer relevant for defect assessment within the permissible atmosphere of the missing corners.
(4) Where the drawing indicates the working surface on the product, it should be checked according to the working surface specified in the standard; if the working surface is not specified, it should be checked as the non-working surface. The edges and corners connected to the working surface should be checked according to the working surface regulations.
(5) When checking the size and protrusion of the mullite roll hole, the brick edges and brick surface must be cleaned up, and the attachment and flash of the brick surface must be removed.
(6) All inspection tools for mullite roll holes must be inspected and qualified. The accuracy of inspection tools must be regularly calibrated with reference to national standards.
