The standard norms dimension of firebrick has about a hundred kinds, if calculate again,go up different, on 1000 kinds none exaggerative also. National relative standard " chromic brick of YB/T 5011-2014 magnesium " in regulation:
By raw material cent is direct union frit of magnesian chromic brick, report closes recombine of frit of magnesian chromic brick, report chromic brick of recombine magnesium chromic brick and common magnesium 4 kinds. Those who press Cr2O3 content is different, chromic brick of direct union magnesium is divided again for 7 brands, cent of magnesian chromic brick is electric frit recombine 9 brands, half recombine magnesium chromic brick divides electric frit for 10 brands, common magnesium chromic brick for 6 brands. Of each brand is to stipulate content asks only, but shape size need builds different position according to the build by laying bricks or stones of the different position of kiln and brick and decide.
1, the weight of every batches of bricks must not exceed 100t.
2, bricky sampling, check and accept by YB 367-75 " refractory products sampling, check and accept, keep and carry regulation " undertake.
3, pack, carry, keep in storage and quality certificate
4, of the brick pack, carry and keep in storage undertakes by YB 367-75.
5, the quality certificate that the branch must supervise to sign and issue with the technology when the brick is given out, carry the name offers square name or emblem mark, want square name, deliver goods date of name of number of size of date, contract, level, product, brand, brick, lot number, dimension, exterior.
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