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Semstone 300 polymer concrete is an excellent alternative to acid brick. It is used to protect concrete integrity from attack from a wide range of aggressive chemicals and extreme physical service conditions. Semstone 300 polymer concrete can be applied from 1/2” (12.7 mm) to several inches thick in a single application. Applied by screed and trowel method, the installation is quick and easy. Semstone 300 provides a monolithic surfacing that has excellent resistance to impact and mechanical abuse and can be used to restore and protect degraded surfaces.