Zaoqiang Dacheng Rubber Co., Ltd
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Durable Swellable Rubber Water Stop Bar For Construction Joint

— Rubber Waterstop Strip, Swelling Waterstop Bar, Rubber Expandable Strip
Product Category: Rubber/n.e.s.
Sales Method: Manufacture
Payment Term: T/T, L/C, Western Union
Trade Term (Incoterms): EXW, FOB, CFR, CIF
Min. Order Unit Price
500 Meter USD 1.1 / Meter
Contact Info

Mr.Grady Wang

Address: China (mainland) Hebei Hengshui,Taiyi Building, Zhonghua Road, Hengshui, Hebei Province

Product Detail

Product Attribute:

  • China (mainland) More >
  • 07/25/2017
  • 07/26/2017

Product Content Description:

1. Brief Introduction
Waterstop strip is a special new type waterproof products, not only it has performance of ordinary rubber products, but also its waterproofing property is better and more reliable than common rubber waterproof products. When it touch with water, its volume will swell three or four times than original volume and it will stuff up all irregular concrete joint, then achieve to stop leak thoroughly.
2. Classification  
It can be divided into BW type and PZ Type. Any client can select it according to different demand of water-proof construction. 

3. Difference in PZ Type and BW Type
The performance of PZ Type is better than BW Type
PZ Type is vulcanized rubber, instead, vulcanized process isnt necessary for BW type
Almost all BW type is back in market, but PZ Type can be produced in different color, such as black, red, blue and so on (red and blue are more popular in market)
PZ Type                                     BW Type  
4. Parameter  
BW Type

Item Index
BW-150 BW-220 BW-300
Expansion Rate % 150 220 300
Flow at high temperature(80×5h) No flow
Low temperature test(-20×2h) No embrittlement
PZ Type

Item Index
PZ-150 PZ-250 PZ-400 PZ-600
Hardness (Shore A) 42±7 45±7 48±7
Tensile strength/Mpa≥ 3.5 3
Elongation at break/%≥ 450 350
Expansion rate in volume/% 150 250 400 600
Repeated water
immersion test
Tensile strength/Mpa≥ 3 2
Elongation at break/%≥ 350 250
Expansion rate in volume/%≥ 150 250 300 500
Low temperature bending(-20°C*2h) No crack

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