29/10/2026
Hydrophobic Polyurethane Resins: How Fast-Curing Polymers Seal Active Cracks Under Dynamic Movement
When dealing with moving cracks and live water ingress, rigid fillers will simply crack again under thermal expansion. Water-reactive polyurethane injection resins bridge this gap by transforming from an ultra-low-viscosity liquid into a durable, flexible seal within minutes of contacting moisture.