Hydrophilic Urethane Grout

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    2018-03-03 19:25

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Company Profile

Beijing Langwei Times Technology and Science Co.,Ltd

By certification [File Integrity]

Contact: langwei(Mr.)  

Email: heweizy@163.com

Telephone: +86-10-67081601

Phone: 13701298303

Area: Beijing

Address: Beijing

Website: http://www.lwconchem.com/ http://langwei.zhengdaprint.com/

Product details

Hydrophilic urethane grout is a kind of rapid and high efficiency chemical grout material used for seepage-proofing and leaking stoppage. It has unique sealing effect for a great quantity water burst and leaking in variety of projects, which has been applied widely in plenty of projects. The mentioned achievement has ever won National Process Awards in Science and Technology.


●Good hydrophily.Wate is not only a thinner,but also a curing agent.Grouting disperses and emulsify firstly after meeting water then gels.

●Can be grouted under moist and water burst case,strong adaptability to water.Can solidify in seawater and water with PH value 3-13.


●Convenient operation,no complex mix.

●The gel is elastic and can swell after meeting water.It can be applied to water proof treatment of deformation joint.It has double function of elasticity water stop and stop water by water.

●Can be mixed used with hydrophilic polyurethane chemical grouting material at any ratio to get the material with various intensity and swelling ratio.

Main data:





(min)gel time

Grout : water=1﹕103

(%)swelling ratio


strength of viscosity





elongation test



(%)elongation at break



 It is mainly applied to treatment of basic seepage-proofing in concrete expansion joint,crack,construction joint of water conservation water and electricity,tunnel,subway,civil defence,metallurgical engineering,industrial and civil architecture,etc

1. Check the part of leaking and clean up the dirt of surface.
2. Drill the hole near the part of leaking. The slant hole can be drilled through the crack if the crack is deep. The width of two holes is different according to the width of crack.Normally it is 20-50cm.The crack is narrow the width is small. If wide then big.
3. Bury the grouting hose (box) with quick speed cement or epoxy,polyurethane adhesive.
4.Swashing the crack via water or acetone.Checking the stringing case between holes and effect of sealing.Resealing the part of leaking.
5. Grouting, connecting the injection pump and hose to begin grouting.The pressure of grouting depends on the size of crack,quantity of absorbing grouting and detailed case of project.Order of grouting is from bottom to top, from depth to shallow.Pausing to grout then tie the hose when the pure grouting appears at neighboring holes.Continue grouting same as the mentioned way until finishing.
6. Chisel out the injection hose after the grouting solidified then sealing via high speed cement.
7. Cleaning all the tools via solvent after finishing grouting.
8. The special processing need to be used if LW is applied to basic treatment.

Keeping in cool and dry place.
Shelf life
6 months.
25kg or 20kg per iron drum

With consummate production technique and advanced equipment,Langwei Times is known as one of the leading hydrophilic urethane grout manufacturers and suppliers in China. You are rest assured to purchase quality but cheap hydrophilic urethane grout online with us. We can assure you the low price of our products.

LW High efficiency one component chemical hydrophilic polyurethane grout material is widely used in  treatment of basic seepage-proofing in concrete expansion joint, crack, construction joint of water conservation water and electricity,tunnel,subway,civil defence,metallurgical engineering,industrial and civil architecture,etc.Hydrophilic polyurethane grout has good hydrophily,nontoxic performance, strong adaptability to water, it can solidify in seawater and water with PH value 3-13.