Feature: Good uniform adhesion and surface treatment, high working efficiency. The non-asbestos fiber cement pressure plate is made of inorganic substances such as fiber, quartz sand, additives and water. Hybrid molding, high-temperature, high-pressure steam curing and special technical processing. Paint test cement board can test the drying time, water resistance, alkali resistance, adhesion, water permeability, constructability, film appearance, acid alkali resistance and alting out resistance. Parameters: Size: 150×70mm Thickness: 4.5mm Packing Quantity: 100pcs/pack Standards Compliant: JC/T412.1-2018