Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material

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  • Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
  • Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
  • Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
  • Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
  • Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
  • Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
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  • Overview
  • Product Description
  • Specification
  • Installation
  • FAQ
Overview

Basic Info.

Model NO.
20X10MM
Certification
CE, ISO
Shape
Rectangle
Name
Water Stop
Package
Rolls in Carton Box
Application Scenarios
Construction Joint, Expansion Joint and Crack
Engineering Solution Capability
Product Design and Production
Type
Roofing and Waterproofing
Ceiling Tile Shape
Strip
Surface Treatment
Roll Coated
Function
Anti-Static, Fireproof, Heat Insulation
Usage
Outdoor
Transport Package
Pallet
Specification
20x15mm
Trademark
HengJingGong
Origin
China
HS Code
4008290000
Production Capacity
10000m/Day

Packaging & Delivery

Package Size
35.00cm * 35.00cm * 20.00cm
Package Gross Weight
3.000kg

Product Description

Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Product Description
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
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.
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.
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Features & benefits:
*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
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Types:
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
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.
Specification
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
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 Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
Hydrophilic Swelling Waterstop Strip for Construction Concrete Joint Waterproof Material Bentonite Rubber Water Stop Strip Putty Water Stop Building Material
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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