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Question:

What is the difference between gray sand brick and solid brick

What is the difference between gray sand brick and solid brick

Answer:

Brick as a building material, in the production process with sintered brick and non-sintered brick; in the shape of a solid brick and non-solid brick two Lime sand brick main raw materials and technology: grinding sand, adding 10-20% of the lime, into a bad after the high-pressure steam from curing The finely divided silica and calcium hydroxide are reacted at high temperature and high humidity to produce hydrated calcium silicate and have strength The national standard GB-1989 "autoclaved lime sand brick" stipulates that the compressive strength and flexural strength after 24 hours of water immersion are divided into four grades: MU MU MU15 and MU10 Lime sand bricks are used to heat up to 200 ° C and quench in an acute and acidic environment ordinary sintered brick; sintered porous brick; sintered hollow brick and hollow block Are non-sintered brick are: autoclaved lime bricks; steamed fly ash brick; slag brick autoclaved aerated concrete blocks; ordinary small hollow blocks; lightweight aggregate concrete small blocks; fly ash silicic acid Salt medium block The block is still brick, but the name is different Block is the name given to the national standard, the general public still called it brick, for a certain brick Conventional clay bricks are made of preforms and then fired at high temperature (1000 ° C to 1200 ° C) Fired clay bricks, especially clay solid bricks, which consume a lot of arable land and energy, and now under the restrictions of the policy has greatly reduced the manufacture of pure clay solid brick Reference: Google Library - Sintered Brick Textbook
Lime sand bricks and solid bricks are different in the category of concepts
Lime sand brick is the abbreviation of autoclaved lime sand, in the manufacturing process is non-sintered brick, shape for the solid brick properties

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