1、 The products are made of asbestos coating on the metal net.
2、 Metal mesh without rust, with a certain strength. Asbestos material is evenly coated with strong adhesive force. The surface shall not be bare or leaked.
3、 The size of the metal mesh shall be no less than 125mm * 125mm, and the diameter of the coating surface of the asbestos material shall be no less than 80mm.