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Contact UsJianguo Waterproofing (Jianguo Weiye) was founded in 1989. It is a professional waterproofing enterprise integrating scientific research, production, sales, construction, and technical services.
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Jian Guo An Zhu No. 23 Early-Strength Rapid-Setting Compound Cement Grout
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- Product details
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It is a dry-mixed material with cement as the basic material, a proper amount of fine aggregate, and a small amount of concrete admixture and other materials. After mixing with water, it has high fluidity, early strength, high strength, and micro-expansion properties.
Implementation Standard
《Cement-based Grouting Material》 (JC/T986-2018)
Product Features
1. Self-leveling, high strength, non-shrinkage, micro-expansion, etc.
2. Early strength, high strength, high fluidity (self-flowing), non-shrinkage, micro-expansion, good durability, etc.
Scope of Application
Suitable for grouting and repairing cracks in concrete structures with crack widths greater than 3mm, and for leak control.
Construction Points
1. Pre-treatment: Use compressed air to blow out ash and contaminants from the concrete cracks.
2. Grouting pipe installation: Install a grouting pipe approximately every 500mm along the length of the crack.
3. Crack sealing: Use inorganic quick-setting sealing material or completely seal the crack surface.
4. Pressure test: Seal the grouting pipe and conduct a water or air pressure test with a pressure of 0.2～0.3MPa to observe whether the seal is tight, and keep the concrete crack surface moist but without water accumulation in the crack.
5. Mixing: The mass ratio of polymer cement grouting material is: polymer cement grouting material: water = 10: (2.5～2.8). Use a forced mixer or a modified impact drill for mixing. After mixing evenly, use immediately. The mixed slurry should be uniform in color, without powder lumps, sedimentation, white spots, bleeding, etc., and the fluidity should meet the grouting consistency requirements. The grouting material should be used immediately after preparation to prevent solidification.
6. Grouting: Put the mixed grouting material into a special pressure grouting tank, and continuously inject the slurry into the crack with a pressure of about 0.3MPa. For vertical cracks, grout from bottom to top one by one, and seal the filled grouting nozzle immediately. During the grouting process, pay attention to removing air from the cracks. The last grouting pipe is the vent and should not be blocked to avoid affecting air discharge.
7. Curing: After grouting, the grouted area should be kept wet for more than 7 days.
Transportation and Storage
Cement-based grouting materials should not be dampened or mixed with impurities during transportation and storage, and different types of products should not be mixed. The shelf life is 6 months from the production date under the conditions of standard packaging, transportation, and storage. Expired products should be re-inspected for all items.
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