Professional elastomeric self-expanding product with controlled hardening, based on valuable polyurethane resins with the addition of polyureic resins, absolutely solvents free. Specifically formulated to consolidate groundworks with an application by injection in depth. EXPANDABLE PU, after the catalysis, can increase its volume, in a short period of time (ca. three minutes), by four times, created a very light finished product, characterised by an excellent resistance to compressive stress and crashes, a good dimensional stability, as well as remarkable waterproofing and sealing properties.
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