This part specifies the technical requirements for the design, manufacture, test methods, factory inspection, painting and marking and periodic inspection items of non-metallic atmospheric tanks for road transport liquid dangerous goods tank vehicles. This part is applicable to liquid dangerous goods whose working pressure is less than 0.1 MPa, whose tank body is made of polyethylene plastic, polyvinyl chloride plastic, polypropylene plastic, glass fiber reinforced plastic, etc. For permanently attached non-metallic tanks.