Foundation cracks can lead to serious structural problems if not repaired properly. This article explains how polyurethane foam injection technology works, why contractors choose high pressure polyurethane foam injection machines for crack repair, and how CNMC E3 polyurethane foaming machine provides an efficient solution for waterproofing and foundation restoration projects.

This article explains the working principle of a high pressure polyurethane foam injection machine, including material metering, high-pressure mixing, and spraying process used in construction insulation and waterproofing.

As a common product, high-pressure foaming machine has widely appeared in our real life, and the development trend is increasing:1. Polyurethane products are made of isocyanate and polyether as the main raw materials, under the action of blowing agents, catalysts, flame retardants and other additive