Extra Strength HCSA Expansive Mortar Brighttop Global Co., Ltd is the leading manufacturer of Extra Strength HCSA Expansive Mortar, a high-performance controlled expansion concrete solution designed for demanding industrial applications including mining, quarrying, tunnel construction, road expansion, building demolition, foundation removal, and urban engineering projects. Product Specifications Type Temperature Range I 25°C - 40°C II 10°C - 25°C III -5°C - 10°C IV 40°C - 55