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What are the common specifications of green brick
The green bricks are fired with clay, which is a long-time weathering of certain aluminosilicate mineral The clay is the product of long time weathering of certain aluminum silicate minerals, which is named after its strong viscosity. Will be made into brick blanks after blending clay with water, placed in the brick kiln calcination (900 ℃ -1100 ℃, and to last 8-15 hours) will be made into bricks. Clay contains iron, complete oxidation in the firing process generates iron oxide red, that is, the most commonly used red bricks; and if the water cooling in the firing process, so that the iron in the clay is not fully oxidized (Fe3O4) is green, that is, green bricks.
The green bricks are made of natural clay, and the fired products are greenish-black in color, with high density, good frost resistance, no deformation and no discoloration. Black and white gray brick using natural soil without oxygen firing, water for the spirit, fire for just, the five elements are in harmony, home warm in winter and cool in summer, health and environmental protection: brick contains trace sulfur elements can be sterilized, balanced in the renovation of formaldehyde and other unfavorable chemical gases in the human body, to maintain the humidity of indoor air, a combination of "breathable, absorbent, antioxidant, purifying air The combination of "breathability, water absorption, antioxidant, air purification" and other characteristics, become one of the products highly recommended by designers. The product surface is smooth, the corners are right-angled, the structure is perfect, compression and wear-resistant, is the ideal material for the house wall, pavement decoration.
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