PRFX3
PRO FLEX 300
Waterstop · extrudable water-swellable PU sealant
Single-component water-swellable polyurethane sealant in thixotropic paste form, in a 300 cc cartridge extrudable with a standard dispensing gun. Used as a waterstop for watertight sealing of connections, holes, cavities, cracks and construction joints. In the dry state it shrinks back to its original size; on contact with water it expands.
probar@probaritalia.com · +39 02 97130588
Features and benefits
FEATURES
- Water-swellable
- Single-component
- UV-resistant
- Alkali-resistant
- Remains elastic over time
BENEFITS
- 100% expansion at 7 days
- Watertight sealing of discontinuities
Technical data
- Components
- Monocomponente
- Colour
- Rosso
- Expansion at 7 days
- +100%
- Packaging
- Cartuccia 300 cc
Data as declared in the Probar Italia 2026 catalogue. For complete and up-to-date values, the manufacturer’s data sheet prevails.
When to use PRO FLEX 300
White tankConstruction joints and joints
Applications listed in the catalogue
Construction jointsConnectionsHoles and cavitiesCracking
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