Don't angry is done using dolomite of fine stone concrete aggregate benefits

Not angry not angry of fine stone concrete manufacturer no spark fine stone concrete price of fine stone concrete misfire ground material with no spark fine stone concrete refers to the use of gravel should choose marble, dolomite, or other materials processing, and in metal or stone hit not spark for qualified on the ground. Sand hard, rough surface, the appropriate particle size is zero. 15 - 5 mm, silt content should not be greater than 3%, organic matter content should not be greater than zero. 5%, cement by ordinary Portland cement, the strength grade is not less than 42. Level 5, the points on the surface of fillet not happen spark materials configuration should be adopted. Configuration check, shall not be mixed with metal or other impurities prone to spark. Misfire ground material not to get angry with fire explosion fine aggregate concrete is often used in dangerous places, such as firecrackers production enterprises, chemical enterprises workshop, etc. 'Code for fire protection design of buildings' GB50016 - 2006. 3. 6. Article 6 have specific provision: send out the air heavy flammable gas and combustible class a workshop of steam and dust, fiber b plant explosion danger, should adopt sparkless ground material no spark fine stone concrete. Section shows the following explanation: send out the air heavy flammable gas and combustible class a of the whole plant and has the explosion danger such as combustible dust, fiber b workshop, heavier than air in the process of production easy in the lower part space accumulate near the ground or gutter, depression, etc. In order to prevent the ground due to friction play and avoid workshop ground, metope because of uneven gathering dust, therefore, on the ground, metope, trench cover design explosion prevention measures are put forward.