How to quickly identify the quality of refractory bricks

Refractory brick manufacturers teach you how to quickly learn to identify the quality of refractory bricks. After mastering the following three methods, you will be able to do it with ease.

1. Intuitive method

Take a few refractory bricks at will, and observe them later. Black spots will appear on the surface of refractory bricks, which is unavoidable and a normal phenomenon. However, the more black spots and impurities on the surface of the refractory brick, the worse its quality and performance, the shorter the service life of the refractory brick lining, and the shorter the time required to replace the refractory brick.

2.The touch method

Directly touch the surface of the refractory brick with your hand to check whether it is rough. The surface of high-quality refractory bricks is smooth and flat to the touch, and the color is bright and evenly distributed, while the inferior refractory bricks are rough to the touch, drop slag, and have a dull color and uneven distribution. 


3. Weighing method

Each refractory brick has its own size, such as 230*114*65mm standard refractory brick, the refractory brick manufacturer provides the physical and chemical indicators of each refractory brick, check the bulk density value. The bulk density of each refractory brick is multiplied by its weight. Weight it with an electronic balance, and check whether it is qualified (the deviation should not be too large).

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