Technical Datasheet AQUAFIN®-CJ3 Bentonite waterstop tape for waterproofing of construction joints
Material number
Length
Width, article
Material strength
Contents
Packaging
Colour
207203003
5m
24 mm
approx. 18 mm
30 m
Roll
Medium grey
Product features Extremely dimensionally stable, does not become sticky even at high temperatures in the summer Tested to 2 bar water pressure
Advantages Rapid and powerful swelling Self-injecting effect through penetration into cracks and cavities
Fields of application / waterproofing For internal waterproofing of construction joints in concrete structures
Technical Data Material properties Product components Base material Sealing against pressing water until (PG FBB) Rate of swelling, 8 days (demin. water)
Roll goods Sodium bentonite 2 bar ≥ 500 %
Application Application temperature
from 0 °C to 50 °C
Application technology Aids/tools Cartridge gun Nail gun
Manual processing Fixable with nails Fixable with mounting adhesive Fixable with fixing grid
SCHOMBURG GmbH & Co. KG · Aquafinstr. 2–8 · D-32760 Detmold (Germany) · Tel. +49-5231-953-00 · Fax +49-5231- 953-333 · schomburg.com 1/2
10/07/2023
Technical Datasheet AQUAFIN®-CJ3 Suitable substrate Concrete Concrete system components after pre-testing
Substrate preparation Requirement for substrate 1. 2. 3. 4.
Dry Even Clean Free of adhesion inhibiting substances
Preparing the surface 1. The substrate may be matt damp. 2. Water puddling is not permissible.
Usage Application 1. A concrete covering of > 8 cm should be carried out to the water-conducting side. 2. AQUAFIN®-CJ3 is glued with mounting adhesive for swellable waterstops. Concreting can be performed 8 hours after bonding at the earliest. 3. Alternatively, AQUAFIN®-CJ3 can also be fixed with steel nails (min. 5 nails/m). It must thereby be ensured that the surface is fully pressed against the substrate. 4. Avoid looping and cavities. 5. Swelling tape connections can be applied with an overlap of at least 5 cm or butt-jointed. 6. Butt-jointed swelling tape connections must be secured with a separate swelling tape with an overlap of at least 3 cm.
Storage conditions Storage Cool, dry, protected from sunlight. Min. 5 years in the original container.
Notes The swellable waterstop must be subjected to a visual check before concreting. Heavily pre-swollen joint sealing tapes are unsuitable and must be removed. A concrete covering of min. 8 cm must be complied with. Swellable waterstops must be protected against floating and slipping in all areas.
Annotations Conformity / Declaration / Verification
The rights of the buyer with regard to the quality of our materials are based on our terms and conditions of sale and delivery. Our technical advice team will be happy to advise you in the case of requirements that exceed the scope of the application described here. In order to be binding, a legally binding written confirmation is required. The product description does not release the user from a duty of care. Lay a test area in the event of uncertainty. This version becomes invalid in the event of a new version being issued.
SCHOMBURG GmbH & Co. KG · Aquafinstr. 2–8 · D-32760 Detmold (Germany) · Tel. +49-5231-953-00 · Fax +49-5231- 953-333 · schomburg.com 2/2