Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip

Product Details
Customization: Available
After-sales Service: Technical Guidance
Application: Concrete Joint
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  • Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
  • Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
  • Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
  • Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
  • Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
  • Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
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  • Overview
  • Product Description
  • Specification
  • Installation
  • Product Details
  • Packaging & Shipping
  • Company Profile
  • FAQ
Overview

Basic Info.

Model NO.
waterstop
Certification
CE, ISO
Shape
Square/Rectangeler/Circle
Name
Bentonite Waterstop Strip for Concrete Joint
Color Choice
Black/Red
Leading Time
Within 7 Days
Expansion Volume
≥220%
Water Head Pressure
≥50m
Main Material
Rubber
Hardness
30-90 Shore
Transport Package
Roll in Cartoon Box and on Pallet
Specification
CE/ISO
Trademark
HengJingGong
Origin
China
HS Code
4008290000
Production Capacity
20000m Per Year

Packaging & Delivery

Package Size
30.00cm * 30.00cm * 5.00cm
Package Gross Weight
2.000kg

Product Description

Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Product Description
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Water-expandable waterstop is a new type of watertight sealing strip made mainly of hydrophilic polymers (e.g., super-absorbent resin or modified rubber). Inside the material are a large number of hydrophilic groups (carboxyl, hydroxyl, etc.). On contact with water, osmotic pressure, hydrogen bonding and chain-unfolding make the strip swell rapidly to 2–6 times its original volume, forming a gel-like elastic body that plugs the leakage paths in concrete construction joints, deformation joints or around wall-penetrating pipes, thus realizing a "stop-water-with-water" seal.
1. Main types
    *Putty type (PN/BW): usually rectangular, soft and self-adhesive, swelling 150 %–300 %, suitable for irregular gaps or post-construction repairs.
    *Molded type (PZ/BF): vulcanized and shaped, with better rebound and compression resistance, swelling 150 %–600 %, widely used in new underground works, tunnel segments and other long-term pressure locations.
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
2. Key properties
    *Swelling pressure 0.5–1.5 MPa, establishing a dynamic balance with groundwater pressure.
    *Swelling rate can be adjusted (slow-swell type ≤ 50 % of maximum within 186 h), preventing displacement before concrete pour.
    *Ageing-resistant, non-toxic, no leachate, stable after long immersion.
    *Self-adhesive or nail-fixed, easy to install, capable of self-sealing micro-cracks caused by subsequent settlement.
3.Features & benefits:
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
*Quality sodium bentonite clay and rubber materials.
*Moisture activated.
*Strong, durable with high cost effectiveness.
*High water absorption with excellent compression seal.
*High expansion control ability for preserving its integrity.
*Controlled internal pressure in surrounding concrete to avoid spalling and cracks.
*Withstand high water pressure.
*Capable to self-healing.
*Easy and fast to transport and install.
*Easy to joining.
*Non toxic
4.Sizes:
    *Width: 10 mm, 15 mm, 20 mm, 30 mm, 40 mm, 50 mm.
    *Height: 10 mm, 20 mm, 30 mm, 25 mm, 40 mm, 50 mm, 60 mm.
    *Color: black, red and other colors also can be customized.
    *Note: Other specifications also can be customized.
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Type
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Specification
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
NO.
ITEM
Result
PN-150
PN-220
PN-300
1
Expansion rate/%≥
150
220
300
2
Flow at High Temperature (80℃×5h)
No fiow
No fiow
No fiow
3
Low temperature test (-20℃×5h)
No crack
No crack
No crack
4
Peel strength
0.05MPa
5
Shear Strength
1.0MPa
6
Hydrostatic Pressure
1.2MPa
Physical properties
PZ-150
PZ-250
PZ-400
PZ-600
Hardness (shore A)
42±7
42±7
45±7
48±7
Tensile strength
3.5 Mpa (min)
3.5 Mpa (min)
3 Mpa (min)
3 Mpa (min)
Elongation
450% (min)
450% (min)
350% (min)
350% (min)
Expansion rate
150%
250%
400%
600%
Repeated water immersion test
Tensile strength
3 Mpa (min)
3 Mpa (min)
2 Mpa (min)
2 Mpa (min)
Elongation
350% (min)
350% (min)
250% (min)
250% (min)
Expansion rate
150%
250%
300%
500%
Low temperature bending (-20°C*2h)
No crack
No crack
No crack
No crack
Installation
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Product Details
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Packaging & Shipping
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Company Profile
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
    Hengshui Jingtong Rubber Co., Ltd., located in Hebei Province's Hengshui City, is a professional manufacturer of engineering rubber products. Our product range includes bridge bearings, expansion joints, water stop strips, water stop belts, inflatable cores, building deformation joint device and water plugs, which are widely used in bridge, tunnel, water conservancy, and power engineering projects. The company boasts advanced technology and mature processes to ensure reliable product quality.
    We have a professional technical team and a comprehensive after-sales service system to ensure customers receive high-cost-performance products and attentive service. Hengshui Jingtong Rubber Co., Ltd. is committed to continuous innovation to meet market demands and looks forward to esta  blishing long-term cooperative relationships with customers from both domestic and international markets.
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
Hydrophilic Bentonite Expanding Water Stop Band Absorbent Swelling Rubber Waterstop Strip
FAQ
1.When can I get the quotation?
A:We usually quote within 24 hours after we get your inquiry.
2.How long can I expect to get the sample?
A:The samples will be ready for delivery in 5-10days. The samples will be sent to you via express and arrive in 5-7days.
3.How long is the delivery time
A:Usually 10-15 days, depending on the quantity purchased.
4.How can I get a sample to check your quality?
A:After negotiating the price, we will provide you with samples for testing.
5.what can you buy from us?
Bridge Bearing Pad,Seismic isolation bearing,Expansion Joint,Rubber Inflatable Airbag,Waterstop Belt/Strip,Steel Expansion Joint,Butyl Tape
6.What's payment term?
A:T/T, L/C at sight, Western Union
7. Do we have quality guarantee?
Of Course!.
--from raw material to manufacturing, we have rigid quality control.
--before delivery, we have strict quality inspection.
--Third party inspection is also available at your request.
--We also have ISO, CE certificates.

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