The has poriferous structure adiabatic and fireproof product that clay pledges adiabatic brick points to Al2O3 content 30%-46% . Basically use but the poriferous product that model pug lights ashes to add thing or slop bubble law or chemical legal system become. National level (GB 3994, 1983) pledges clay adiabatic brick presses bulk density cent to be NG-1.3, NG-1.3a, NG-1.3b, NG-1.0, NG-0.9, NG-0.8, NG-0.7, NG- - 0.6, NG-0.5 and NG-0.4 10 kinds of brands. Item characteristics (1) high temperature resistant. (2) bricky system interior is poriferous structure, sex of adiabatic heat preservation is good. (3) porosity is tall, bulk density is small, quality is light. (4) be able to bear or endure chemistry is eroded. The heat-resisting performance that the heat-resisting function of brick of light qualitative clay sticks earthy light qualitative firebrick is average, cannot contact blaze face directly, its factory period working temperature is in 1000 degrees the following. General clay pledges firebrick cannot regard a contact as the liner of blaze face directly gently character, mix with siliceous aluminium cotton commonly heavy qualitative firebrick cooperates to use. But below the circumstance that is less than 1000 degrees in working temperature, for instance certain in lukewarm model heat treatment furnace, the resistor furnace furnace that does not have blaze, can be used as liner. Altogether, the use temperature of firebrick of light qualitative clay should not be more than 1000 degrees. Clay pledges firebrick is used in the heat-insulation layer of furnace of all sorts of hot project kiln commonly gently character, its bulk density is bigger, capability of its heat conduction is stronger, heat preservation performance is poorer. Brick of light qualitative clay uses a note 1, when depositing, deposit according to date of brand, brick, had done waterproof, moistureproof work. 2, when build by laying bricks or stones is built, make up special slop to use. 3, when build by laying bricks or stones is built, according to the design obligate expands seam. 4, unfavorable be used at kiln furnace bearing structure and wait for place with melt content, slaggy contact directly. Manufacturer did not deliver goods on time, how does influence construction schedule do? Flourish Cheng Naicai suggests: In the choose and buy fireproof material produces manufacturer when, broad client knows, once appear to did not get goods in time, with respect to meeting influence or time limit for a project of incur loss through delay, cannot on time put into production, because this meeting causes pecuniary loss, so, must order ahead of schedule, decide the manufacturing cycle of the product and the time to the spot, lest cause,compare the pecuniary loss that does not want.
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