ZWSA dual fast cement is a new technical product developed by our company's technical staff under the guidance of experts from the China Academy of Building Materials Science. Its characteristics are short setting time, fast hardness, 3 hours strength not less than 20MPa, strong adhesion to the base layer, no shrinkage, no fall off, and maintain the late strength without shrinking. Mainly to meet the needs of construction projects such as emergency repair, anchoring and preparation of grouting material, and anchoring and spraying materials.