Antiseptic agents airtight concrete Shanghai, Tianjin, Zhejiang and Guangdong Anhui Beijing Liaoning, Yunnan and Guangxi, Xinjiang, Chongqing 湖南 湖北 Hebei, Henan and Ningxia Qinghai, Gansu and Shaanxi Tibet Guizhou, Sichuan and Hainan Heilongjiang, Inner Mongolia and Shandong Shanxi, Jiangxi and Jiangsu, Fujian 吉林] [preservative agent airtight airtight concrete [preservative agent] factory Wholesale [preservative] antiseptic agent airtight airtight supply concrete corrosion agent performance airtight agents, manufacturers, wholesale airtight antiseptic agents, preservatives used in concrete corrosion agents necessity airtight concrete durability is an important modern high performance green concrete standard, which includes concrete crack resistance, retaining bars, corrosion resistance, frost resistance, impermeability, corrosion resistance, alkali aggregate reactivity and other technical indicators, a variety of performance complementary and mutually reinforcing, missing one can not. Basis (iron construction [2005] No. 157) "railway durability of concrete structure design Interim Provisions", TB10120-2002, J160-2002 "Gas Tunnel railway technical specifications" GBJ82-85, GB / T2420-1981 and other execution standards. Specific test items and test results are as follows: fineness ≤16% 28-day compressive strength ratio ≥110% water permeability coefficient ratio ≤95% ≤10-10cm / s W / CC airtight agent concrete permeability coefficient K x 0.00000000001 (cm / s) (kg / m) (%) intensity level 56d 230d 0.5MPa 0.8MPa 0.5MPa 0.8MPa 0.55 366 0 C35 1.847-3.580 1.137-2.220 1.057-1.937 0.524-1.032 0.55 205-302 4.0-6.0 C35 0.041- 0.06 0.027-0.039 0.005-0.0055 0.002-0.0034 recommend dosage 4.0-6.0% by weight of cement accounts for water reduction rate of up to 12%. Main purpose: for a variety of acidic medium, harmful gas permeation sulfate, magnesium, salt crystals, sulfuric acid dissolution type (including carbonated), such as the erosion of gypsum formations, salt formations, magnesium saline soil High pressure leakage coal-bearing strata, gypsum rock, carbonate rock, salted salt lake, sea salt chlorine erosion, high gas permeability regions across the railway, highway and tunnel concrete work; can also be used to prevent leakage of toxic and easy Chemical engineering concrete building oil and gas body; hydropower stations, dams, spillways, reservoirs, air defense, basement, overpasses, road surface, runways, a large area of ??concrete, rigid roof, bathroom, kitchen impermeability waterproofing; and general, merchandise, pumping, waterproof, crack, frost, corrosion-resistant, anti-chloride ion penetration and toxic gas leak tightness of concrete projects. Specific use, please contact the manufacturer.