Post-tensioned prestressed hole DaoXuan special prestressed pipe pressure paste or use special prestressed pipe grouting seam an agent

Prestressed pipe pressure prestressed pipe pressure slurry prestressed pipe pressure slurry paste manufacturer post-tensioned prestressed hole DaoXuan special prestressed pipe pressure paste or use special prestressed pipe grouting seam an agent preparation of slurry grouting. The provisions of article 4. 2 plus the seam an agent should have good compatibility with cement, and shall not contain chlorine salt and nitrite or other have corrosion on prestressed reinforcement effect. Water reducing the seam an agent should use high efficiency water reducing the seam an agent, and should meet the current national standard concrete with the seam an agent ( CB8076） High efficiency water reducing the seam an agent in the requirements of grade a, the water reducing rate should not be less than 20%. The provisions of article 8. 4 water should not contain harmful for prestressed concrete or cement, per litre shall not contain more than 350 mg of chloride ions, or any other organic matter, appropriate USES accord with national health standards of clean drinking water. More than 75% of high alkali expansion seam an agent. 0%. The rules of the three.