Concrete ( Grouting material) Why will form the bubbles

Concrete (grouting material how to form bubbles Grouting material) Bubble belong to the category of pits, are common defects. In addition to less exhaust bubble structure ( Such as chamfer, etc. ) , the forming reasons of air bubble defect is common casting layer thickness is too big, bubble overflow surface distance is big, the vibrating slightly insufficient, it is easy to form bubbles. At the same time, the influence of stripping the seam an agent also nots allow to ignore. Coating on the surface of the template, demoulding seam an agent ( Isolate the seam an agent) Generally for oily, such as mold release too thick seam an agent concentration, coating thickness is too big, under the action of surface tension, the gas adsorption on the surface of the template within the concrete, difficult to overflow warehouse outside the bubble formation, become bubble defect after concrete setting. Professional bubble repair materials, professional technical team! For details, please click on the WWW. godjc。 com！