Bentonite Based Swelling Rubber
EKASWELL BNT is a sodium bentonite and butyl rubber based waterstop joint tape that expands when in contact with water. It expands up to 300% in volume when in contact with water, and returns to its original state in a dry environment.
Application Areas
- Indoors and outdoors,
- In pools, water tanks, treatment plants,
- In foundation-curtain combinations,
- In manholes,
- At pipe inlets and outlets,
- Construction joints in cable channels,
- In tunnel segments,
- At the junctions of old and new concretes,
- It is used in construction joints.
Advantages
- It does not require welding at the joints.
- It can be easily cut with scissors and a utility knife.
- It is not affected by freezing and thawing.
- Resistant to oxidation and corrosion.
Technical Features
| TEST | STANDARD | VALUE |
| Expansion rate after 7 days | DIN 73521 | 200% |
| Expansion rate after 14 days | DIN 73521 | 300% |
| Wet-dry expansion ratio | DIN73521 | 200% |
| Water pressure resistance | – | 5 bar / 50 m |
| Color | – | BLACK |
| Application temperature | – | -20°C / 50°C |
| Test water hardness (CaCO3) | – | 200 ppm |
Standart Measures
- EKASWELL BNT2005:20 MM X 5 MM – 10 M/Roll (70 M per C.Box)
- EKASWELL BNT2010:20 MM X 10 MM – 10 M/Roll (50 M per C.Box)
- EKASWELL BNT2510:25MM X 10 MM – 10 M/Roll (35 M per C.Box)
- EKASWELL BNT2520:25 MM x 20 MM – 5 M/Roll (35 M per C.Box)
Shelf Life
24 months unopened under suitable storage conditions (in a dry and cool environment, in its original packaging).
Documents
You can review the documents related to the product and contact us for additional documents.