EVA Waterstop - Highly Resistant to Weather and Aging
EVA (ethylene vinyl acetate) waterstop is manufactured from polyvinyl chloride, EVA resin and a variety of additives by special production processes. It is used for water leakage and permeation prevention in building construction joints by taking advantage of elastic deformation property of elastomer material. EVA waterstop is highly resistant to corrosion and it has very long life span. It can be used for various above or under ground buildings and it is especially suitable for water storage structures, such as water reservoirs, waste water treatment plants, dams, subways, tunnels, retaining walls, swimming pools, bridges and culverts.
EVA waterstops can be used for waste water treatment plants because of excellent corrosion resistance.
EVA waterstops can be used for water reservoirs, waste water treatment plants, dams, bridges and tunnels.
EVA waterstops are manufactured in many shapes, such as ribbed with center bulb, split ribbed with center bulb, flat ribbed, split ribbed, dumbbell with center bulb, split dumbbell with center bulb, dumbbell, split dumbbell, base seal and tear web. The different shapes make EVA waterstops widely used in different kinds of concrete structures.
EVAWS-01: Ribbed with center bulb EVA waterstop cross section.
EVAWS-02: Split ribbed with center bulb EVA waterstop cross section.
EVAWS-03: Flat ribbed EVA waterstop cross section.
EVAWS-04: Dumbbell with center bulb EVA waterstop cross section.
EVAWS-05: Split dumbbell EVA waterstop cross section.
EVAWS-06: Dumbbell EVA waterstop cross section.
EVAWS-07: Base seal EVA waterstop cross section.
EVAWS-08: Tear web EVA waterstop cross section.
Features of EVA waterstop:
- Resistant to abrasion.
- Resistant to corrosion and chemicals.
- Excellent elasticity.
- Excellent waterproof performance.
- Resistant to weather and excellent durability.
|Tensile strength at break (MPa)||≥ 16|
|Elongation at break (%)||≥ 550|
|Tear strength (kN/m)||≥ 60|
|Watertightness (30 min without leakage) (MPa)||0.3|
|Cold bending (°C)||≤ 35|
|Stretching and shrinkage amount of heating (mm)||Stretching||< 2|
|Hot air aging 70 °C × 168 h||Tensile strength retention at break (%)||≥ 80|
|Elongation retention at break (%)||≥ 70|
|100 % elongation appearance||Without crack|
|Alkali resistance 110% Ca(OH)2 normal temperature 168 h||Tensile strength retention at break (%)||≥ 80|
|Elongation retention at break (%)||≥ 90|
Application of EVA waterstops:
- They are used for basements and retaining walls.
- They are used for subways, tunnels and culverts.
- They are used for bridges, dams, canals, water reservoirs and aqueducts.
- They are used for storage tanks and swimming pools.
- They are also used for water and waste water treatment plants.
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Zaoqiang Dacheng Rubber Co., Ltd.
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