404 don't anger fine stone concrete mixture ratio

404 no spark fine stone concrete 404 misfire manufacturer of fine stone concrete 404 misfire price a can withstand the impact of fine stone concrete without sparking functional concrete, as metal or hard rocks and other objects and the concrete when the mechanical action, such as friction, no red hot sparks or Mars, thus flammable material is not easy to cause the fire and explosion danger, used in oil, chemical plant and so on it is forbidden to fire more or a certain building fire prevention requirements. A: cement; Usually get mad or not has nothing to do with cement materials, concrete and mainly depends on the thickness the varieties and particle size of aggregate, but consider from the strength of concrete, we should choose to 32. More than 5 ordinary Portland cement. 2: aggregate; 1, made no spark fine stone concrete fine stone or stone chips, used in the quality of a material soft material should be adopted, the common aggregate general with calcium carbonate as the main ingredients of dolomite and limestone aggregate, all can do the size should be 0. 15 - 15 mm, texture is soft should be adjusted in aggregate grain product distribution. 2, can't use a hard aggregate, such as granite and cobble 3, aggregate before use, should by the relevant state authorities and detected according to the inspection certificate. Article 3: the compartment; 1, the surface should be divided according to the requirements of specification, distance should not be greater than 6 mx6m, 2, the frame of the material should be not angry, such as plastic, copper, aluminum, glass and other hard path is strictly prohibited materials, not mixed with materials of different divisions. 3, such as the use of metal strips, before construction should be reliable connection with each other and with the main structure effective bonding. I hope my answer help you