T/HEBQS 030-2024 Plastic protective drainage board
T/HEBQS 030-2024 Plastic protective drainage board
Basic Information
Scope
Main technical specifications: 5.1 Dimensions 5.1.1 Thickness, relief height, width, and length The thickness, relief height, width, and length of the drainage board shall not be less than the values specified by the manufacturer. The board thickness shall not be less than 0.50 mm, and the relief height shall not be less than 8 mm. 5.1.2 Mass per unit area The mass per unit area of the drainage board's main material and the mass per unit area of the nonwoven fabric shall not be less than the values specified by the manufacturer. The mass per unit area of the nonwoven fabric shall not be less than 200 g/m2. 5.2 Appearance 5.2.1 The drainage board should have neat edges and no visible defects such as cracks, notches, or mechanical damage. 5.2.2 There should be no more than one joint in each roll of board. The shorter section should be at least 2000 mm long, and the joint should be cut neatly and extended by 300 mm.