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3.2.1 Flame retardant resins or additives shall be used when flame retardant performance of fibre reinforced plastics equipment and piping is required.
3.2.2 Conductive carbon fibres or conductive fillers shall be used when fibre reinforced plastics equipment and piping are required to have anti-static properties，and the continuous surface resistivity shall not be larger than 1.0×10 6 Ω or the volume resistivity shall not be larger than 1.0×10 6 Ω·m.The electrostatic grounding shall meet the requirements of the relevant provisions of SH 3097 Code for the Design of Static Electricity Grounding for Petrochemical Industry ，the current industry standard.
3.2.3 When wear resistance of fibre reinforced plastic equipment and piping are required，wear resistant fillers shall be added to the resin or other technical measures should be taken.
3.2.4 When there is food hygiene requirement for fibre reinforced plastics equipment and piping，it shall meet the requirements of the current national standards GB/T 14354 Food Containers of Glass Fibre Reinforced Unsaturated Polyester Resin and GB/T 5009.98 Method for Analysis of Hygienic Standard of Unsaturated Polyester Resin and Glass Fibre Reinforced Plastics Used as Food Containers and Packaging Materials .