HYPERSEAL® -25LM-S
One component, polyurethane-based, low modulus joint sealant ideal for use in high humidity conditions
HYPERSEAL®-25LM-S is a novel low modulus expansion joint sealant, especially formulated to contain both PU and silylated-PU technology, thus giving rise to a sealant which includes the best of both technologies. It has been modified in order to give enhanced thixotropic properties.


1. CONSUMPTION
The ratio width to depth should be 2:1 subject to a minimum depth of 10mm
2. COLOUR
White
3. PACKAGING
600cc sausage
Features & Benefits
Excellent adhesion on almost any type of surface, with or without the use of special primers.
Excellent extrusion, tooling and storage stability over wide range of climatic conditions.
Excellent chemical resistance, suitable for sealing joints in swimming pools and chemically treated water.
Low modulus, joint movement accommodation 50%.
Microorganism and fungus resistant.
Application under water immersion possible.
Excellent heat resistance, suitable for application where exposure to temperatures >60°C take place.
Resistance to cold: The sealant remains elastic even down to -40 oC.
Hints
In this case, the substrate must be primed with MICROPRIMER®-PU, which will re-enforce the concrete and produce a strong durable substrate for sealant application
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Recommended for
Unique one component, polyurethane-based, low modulus joint sealant, combining classic polyurethane technology with hybrid technology, with outstanding thixotropic properties
Sealing joints in:
• in-situ concrete,
• precast concrete panels,
• brick and block work,
• water tanks and swimming pools,
• metal frames,
• aluminum windows and panels,
• irrigation channels,
• glass,
• granite & marble.

VIDEO & IMAGE GALLERY
Application examples
THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS • THE WORLD’S LARGEST CONSTRUCTION PROJECTS PROTECTED FROM THE HARSHEST NATURAL ELEMENTS •
Alchimica’s Support Team
Contact us to learn more about our solutions or inquire assistance on your current project.