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Heng Shui Kang Qiao Rubber Co., Ltd.

Building Material, Water Stopping Strip, Water Stop Bar manufacturer / supplier in China, offering Rubber Water Stop Manufacturer Factory, Hot Sale Lead Rubber Bearing /Isolation Device for Bridge Construction, Seismic Isolation Bearing for Bridge and Building Construction and so on.

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Rubber Water Stop Manufacturer Factory

FOB Price: US $0.5-5 / Meter
Min. Order: 100 Meters
Min. Order FOB Price
100 Meters US $0.5-5/ Meter
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Port: Tianjin, China
Production Capacity: 20000 Meters Per Week
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: PZ TYPE & BW TYPE
  • Ceiling Tile Shape: Rectangle
  • Thickness: 4.0mm
  • Certification: ISO, CE
  • Usage: Outdoor
  • Standard: GB18173.2-2000
  • Expansion Rate: 150%-450%
  • Trademark: KANGQIAO
  • Specification: 30 x 20mm, 20 x 15mm
  • HS Code: 4008210000
  • Type: Building Sealing Material
  • Material: Rubber
  • Function: Anti-static, Construction Joint, Waterproof
  • Color: Black
  • Product Name: Swellable Bentonite Waterstop
  • Feature: Self Expanding, Water Swellable
  • Size: 20X10mm, 30X20mm
  • Transport Package: as Customes′ Requirements
  • Origin: Hengshui, China
Product Description

Contact Information
Contact Person: Nancy Lee
Heng Shui Kang Qiao Rubber Co.,Ltd

Product Description

Hydrophilic expansion bentonite water stop, is also called water expanding waterstop strip, water swelling bar.

It is made from quality water expanding rubber, can under vulcanization for better performance. It includes PZ type and PN type. We can provide products of 150%-600% volume expansivity.

Rubber Water Stop Manufacturer Factory


It is widely used in air defence swimming pools, sewage solution and treatment project, underground railway, culvert, tunnels etc., in the construction of concrete construction joint, expansion joint and crack, construction site.
-concrete construction joint seepage-proofing

-building elements assembly joint water-proof

-shield method tunnel segment joint water sealing

-slab joint wall cracks water blocking

Rubber Water Stop Manufacturer Factory



-good performance of water sealing and waterproof

-water expanding and water stopping / blocking

-acid and alkali resistant

-water pressure resistant

-easy installation

 Popular size:

15x20mm, 20x30mm, 20x50mm, 50x50mm etc. customized sizes and expansion rate are available, as the needs of project designs.



GB/T18 173.3-2002

Types of rubber waterstops strip

1. Common rubber waterstop

2. Swellable rubber waterstops /Hydrophilic rubber waterstop belt

3. Rubber water stop with steel side

4. PVC rubber waterstop
Rubber Water Stop Manufacturer Factory



Question 1: Can the customer make a sample order?

Answer: Yes. We are willing to accept any sample order so as to check the quality of our water-stop.

Question 2: How long is the delivery time for the sample?

Answer A: It would be one day for any stocked sample

Answer B: It would be two days for any sample to be customized. 

Question 3: What is the minimum order quantity?

Answer A: It would be one meter of water-stop.

Answer B: Even if you only make a small order, we will try our best to help you as well. 

Question 4: Which express company do we often use to send samples?

Answer: We usually use DHL, UPS, FedEx or SF and it takes 3-5 days. 

Question 5: Which payment methods do we accept? 

Answer: We usually accept TT, L/C etc. 



If you want to customize our products or have any questions about the water-stop, please feel free to contact us!


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Ms. Nancy Lee
Sales Manager
To: Ms. Nancy Lee

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