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Quick Details

  • Place of Origin: Beijing, China (Mainland)
  • Brand Name: LangWei
  • Model Number: LW-03-01
  • Product name: Rubber Water Stop Bar
  • Color: Black/Red
  • Material: Rubber
  • Size: Any
  • Usage: Waterproof
  • Thickness: 10*20/10*30/20*30mm in stock, customized
  • Certification: ISO9001:2008
  • Strength: Good
  • Expansion ratio:: 200%~300%
  • Scale: Working joints in concrete

Packaging & Delivery

Packaging Details 5m in a roll,5 rolls in a carton
Delivery Time Within 10 days after receipt the deposit

  Swell Rubber Waterstop Bar With Concrete Joint Industry




Product Description

  Product Introduction

  Water stop strips  are a flexible, coiled strip of butyl rubber and a swellable clay waterproofing compound that swells upon contact with water to form a long lasting compression seal in concrete joints.

  Water stop strip also provide excellent secondary protection when used in conjunction with traditional waterstops.

 Water stop strip requires no special skills and installs quickly. 


Field of application:

   Material is Bentonite, Bentonite waterstop is designed for sealing construction joints, cold joints and working joints in concrete, around pipe penetrations, in sewer joints, against slurry walls, sheet piling ect,Can be used in combination with infiltrate stop in situation, which are deemed to be high risk.


Advantages :

   1. It is permanently active system, which swells up to approximately (150%~300%).

   2. It is an ecological and user friendly system: simple and quick to install by means of gun nailing.       3. The composition of bentonite water-stop prevents premature swelling.

   4. The waterstop has a proven track record in water treatment plants, water purification plants, water tanks, 

  metro works and other concrete structures subject to high water pressure.




   Bentonite waterstop should be stored under cover, clear of the ground. Protect the material from all sources of moisture and frost . Storage temperature must be between 5 °Cand 30°C.

  Shelf life is unlimited in correct storage conditions.


Technology data:










Expansion ratio%   ≥





Flow at high temperature 80°C×5h)

No flow

No flow

No flow


Test at low temperature(-20°C×2h)

No embrittlement

No embrittlement

No embrittlement





Achievement Show











Exhibition Show


Company Information



  Beijing Langwei Times Sicience & Techonlogy Co., Ltd


 Founded in 2004, Beijing Long Way Times Science & Technology Co., Ltd. has been committed to the research and development of new type environmentally friendly building materials as well as the innovation of service and construction process. 
Our company is the member of Chemical Grouting Sub-Committee, Chinese Hydraulic Engineering Society, the Director Member of Waterproof Sub-Committee and China Construction Industry Association. The products developed by Langwei include AC-II liquid acrylate grouting materials (Patent No.20********2.7), MMA (Methyl Methacrylate) grouting materials, permeable crystalline waterproofing materials, polyurethane grouting materials, epoxy grouting materials and water-swelling water-proofing gel. Our products are of top quality among domestic similar products.



Production Flow



Storage and Shipment


Free Sample



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