The brick of heat preservation heat insolation in fireproof material is normally by a few light the material with qualitative, fireproof high temperature is made. Bricky composition includes common heat preservation heat insolation:
Light qualitative aggregate: Brick of heat preservation heat insolation uses light qualitative aggregate normally, for example pearlite, vermiculite, expand vermiculite, light qualitative fine is arenaceous etc. These light qualitative aggregate can reduce the density of material effectively, improve heat preservation performance.
Bond: To raise the intensity of brick of heat preservation heat insolation and fireproof sex, connect regular meeting to add a few bond. These bond can be cement of fireproof glue, silicate wait, conduce to felt aggregate, form integral structure.
Additive: To raise fireproof sex, compressive strength and wearability, can add a few special additive sometimes, wait like silicon of alumina, oxidation.
Waterproof agent: To prevent heat preservation heat insolation the brick is bibulous, can add a few waterproof agents, be like siliceous aluminous cement.
Aseismatic flexibilizer: Below some circumstances, to raise the aseismatic sex of material and tenacity, may add a few aseismatic flexibilizer, be like fiber material.
The specific ingredient of brick of heat preservation heat insolation can be mixed because of model of manufacturer, product apply and differ somewhat. The choice of these material and scale are allocated undertake designing according to the integral performance demand of the product. When choice and brick of heat insolation of use heat preservation, need considers the function target such as its coefficient of thermal conductivity, density, intensity, fireproof sex, achieve expectant result in order to ensure its are in specific application.
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