NG28 provides building materials and construction engineering related pasting and soft package testing services, testing items: fluidity, hardness, surface drying time, elastic recovery rate, 23°C tensile bonding strength, compatibility, bleeding rate, setting time , Compressive strength, extrudability, heat aging, tensile modulus, fixed-stretch adhesion, tensile strength, elongation, elastic modulus, tensile shear, adhesive tensile strength, flexural strength , Non-volatile content, uneven pull-off strength, split tensile strength, steel-steel uneven pull-off strength, positive tensile bond strength with concrete, peel bond strength, pollution, elastic recovery rate, tensile Adhesion, tensile modulus