PVC waterstop
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ADD: Hengshui City, Hebei Province, China
hit: 114226 ¡æ
PVC Waterstop - The Best Solution to Concrete Construction
PVC waterstop, being embed in the concrete joints, acts as a continuous watertight diaphragm to prevent any seepage of liquids in constructions joints which are subject to hydrostatic pressure. It is designed for expansion or contraction joint; meanwhile, it can accommodate lateral and transverse movements which make it capable to suit the moving joints.
PVC waterstop is extruded form an elastomeric plastic material including high grade polyvinyl chloride, special resin and some chemical additives such as plasticizers and stabilizers. The high material makes PVC waterstops unsurpassed with a variety of features and benefits.
Shapesof PVC Waterstop
1. Plain web
Suitable for construction, kicke and partical contraction joints, where no shear movement is possible.
2. Centre Bulb
Suitblefor ubsidence, contraction expension joints, including high movement joints
3.Other Types
Typical Application of PVC Waterstop
1.Agriculture:Dams, Canals, Aquaducts, Large Reservoirs, Irrigation Projects.
2.Public Utilities:Water Tanks, Swimming Pools, Tunnels, ConcreteRoads, Water Filtration Plants, Sewarage Disposal System, Neutralization Tanks, Bridges,Roads,
Embankments,Municipal Hydraulic Projects, Clarifiers.
3.Buildings:Basements & Foundations Floor Slabs,Terraces, Concrete Runways, Retaining Walls, Overhead & Underground,Water Tanks, Multistoried Buildings.
4.Industries:Fertilizer, Steel, Effluent Treatment Plants,Thermal Power Stations, Atomic Reactors, Shipyards & Docks, Cooling Towers.
Featuresof PVC Waterstop
¡ñHigh tensile strength.
¡ñSuperior elongation capability.
¡ñExcellent inherent elasticity and impermeability
¡ñHigh resistance to acids, ozone, seawater even diesel oil.
¡ñExtremely alkalis, chlorinated water and other waterborne chemicals resistant.
¡ñNot susceptible to fatigue deterioration as with metal or rubber.
¡ñHigh quality meet even exceed the industrials standard.
¡ñNever discolor concrete.
¡ñNo electrolytic action with surrounding metals.
¡ñCapable to withstand hydrostatic pressure.
¡ñHeat weldable in conjunction with electric splicing irons.
¡ñWithstand the expansion and contraction movement of the joints.
¡ñCapable to taking care of any deflection or displacement arising caused by temperature changing or differential settlement of foundation.
¡ñSupplied in coils for easy handling with high flexibility.
¡ñEasy to install by tethering the outer flanges of the PVC waterstop to adjacent a reinforcing bars.
Process of PVC Waterstop
Drawing--new tooling--samples confirm--mass production--shipping
Properties of PVC Waterstop
Physical properties | Test methods | Minimum value |
Water absorption | ASTM D-570 | 15% - 20% |
Tear resistance | ASTM D-624 | 300 psi |
Specific gravity | ASTM D-792 | 1.38 ¡À 0.05 |
Hardness shore A15 | ASTM D-2240 | 79 ¡À 3 |
Tensile strength | ASTM D-638 Type IV | 2000 psi |
Ultimate elongation | ASTM D-638 Type IV | 360% |
100% modulus | ASTM D-638 Type IV | 725 psi |
Low temperature brittleness (Tb) ¡ãF (¡ãC) | ASTM D-746 | -35 (-37) passed |
Stiffness in Flexure | ASTM D-747 | 600 psi |
Ozone Resistance | ASTM D-1149 | No Failure |
Accelerated Extraction, CRD-572 | ||
Tensile | CDR - C- 572 | 1850 psi |
Elongation | CDR - C- 572 | 350% |
Effect of Alkali, CRD-572 | ||
Weight Change | CRD-572 | + 0.25% - 0.1% |
Change in Hardness Shore A | ASTM D-2240 | ¡À 5 points |