Corrosion-resistant mechanical seal material selection table

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Corrosion-resistant mechanical seal material selection table Medium Molecular Formula Temperature Concentration Seal Type Material Comment (℃) (%) Compensating Ring Non-compensating Ring Seal Ring Spring Structural Parts Sulfuric Acid H2SO4 <25 Single End Face Reactive Sintered Silicon Nitride Carbon Graphite Impregnated Furan Resin Fluorine Rubber Chrome Nickel Molybdenum Steel Chromium nickel molybdenum steel self-rinsing＜6525~75 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber high chromium nickel steel 941 high chromium nickel steel 941 self-rinsing＞96 double end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel Chromium-nickel-molybdenum steel＜2575~86 Single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium-nickel-molybdenum steel chromium-nickel-molybdenum steel self-rinsing oleum H2SO4+SO3 double-end reaction sintered silicon nitride normal pressure sintered silicon carbide (overall) O1 chromium nickel Molybdenum steel Chromium-nickel-molybdenum steel Isolation fluid needs to be agreed upon by both parties Nitric acid HNO3 <25~20 Single-end reaction sintered silicon nitride Carbon graphite impregnated with furan resin Tetrafluoro-coated nitrile rubber Chromium-nickel-molybdenum steel Chromium-nickel-molybdenum steel Self-flushing <65~65 Single-end normal pressure sintering Silicon carbide (overall) normal pressure sintering Silicon carbide (whole body) PTFE coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing <115~60 Single end normal pressure sintered silicon carbide (overall) normal pressure sintered silicon carbide (whole body) PTFE coated nitrile rubber chromium nickel steel chromium nickel steel self-flushing <5065~80 single end normal pressure sintered Silicon carbide (whole) Normal pressure sintered silicon carbide (whole) Tetrafluoro-coated nitrile rubber Chromium-nickel-molybdenum steel Chromium-nickel-molybdenum steel Self-flushing Hydrochloric acid HC1 <25~10 Single-end reaction sintered silicon nitride Carbon graphite impregnated furan resin Fluorine rubber Hastelloy C Hastelloy C Self-flushing <65~37 Single end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber Hastelloy C Hastelloy C self-flushing hydrofluoric acid HF <5 single end normal pressure sintered silicon carbide (whole) normal pressure sintered silicon carbide (whole) fluorine rubber Monel Monel self-flushing double end normal Pressure sintered silicon carbide (monolithic) Atmospheric pressure sintered silicon carbide (monolithic) Fluorine rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Isolation fluid requires mutual agreement Fluorosilicic acid H2SiF6 Double-end 99% alumina carbon graphite impregnated furan resin Tetrafluoro-coated nitrile rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Chlorine C12 Double end face 99% alumina carbon graphite impregnated furan resin tetrafluoro coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel cyanofluoride HCN <5 single end face normal pressure sintered silicon carbide (whole) carbon graphite impregnated furan resin fluorine rubber high chromium nickel steel 941 high chromium nickel steel 941 self-rinsing phosphoric acid H3PO 4＜25~5 Single-end reaction sintered silicon nitride graphite impregnated epoxy resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing＞100＞70 Double-end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel hydrogen sulfide (dry) H2S Double end reaction sintered silicon nitride carbon graphite impregnated with furan resin nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel (wet) H2S+H2O single end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber chromium nickel molybdenum steel Chromium-nickel-molybdenum steel self-rinsing hypochlorous acid HC1O single-end normal pressure sintered silicon carbide (whole) normal pressure sintered silicon carbide (whole) PTFE-coated nitrile rubber Hastelloy C Hastelloy C self-flushing hydrogen bromide (dry) HB2 Double-end reaction sintered silicon nitride graphite impregnated epoxy resin PTFE coated nitrile rubber Hastelloy C Hastelloy C self-rinsing (wet) HB2+H2O Single end reaction sintered silicon nitride graphite impregnated epoxy resin PTFE coated nitrile rubber Hastelloy C Hastelloy C self-flushing sulfur dioxide (wet) SO2+H2O single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber high chromium nickel steel 941 high chromium nickel steel 941 self-flushing chromic acid H2CrO4 double end normal pressure sintered silicon carbide (overall) normal pressure sintering carbonization Silicon (whole) PTFE coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel carbonic acid (liquid) CO2+H2O single end nickel-based tungsten carbide (installed) carbon graphite impregnated furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium Nickel-molybdenum steel self-flushing wet chlorine HC1+HOC1 double-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel oxalic acid C2H2O4＜65 Single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber high chromium nickel steel 941 high chromium nickel steel 941 self-rinsing nitric acid + hydrochloric acid HNO3 + HC1 Double-end normal pressure sintered silicon carbide (whole) Normal pressure sintered silicon carbide (whole) Fluorine rubber Chromium-nickel-molybdenum steel Chromium-nickel-molybdenum steel Arsenic acid H3AsO4 Double-end normal pressure sintered silicon carbide (whole) Carbon graphite impregnated furan Resin fluorine rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel self-rinsing boric acid H3BO3 single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing iodine (wet) 12+H2O Single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing perchloric acid HC1O4 double end reaction sintered silicon nitride tetrafluoro filled glass fiber fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel potassium hydroxide KOH~20 single End-face nickel-based tungsten carbide (installation) Nickel-based tungsten carbide (installation) ethylene-propylene rubber chromium nickel-molybdenum steel chromium nickel-molybdenum steel self-rinsing/double-end face > 20 when there is crystallization double-end nickel-based tungsten carbide (installation) nickel-based tungsten carbide (installation) ethylene-propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel sodium hydroxide NaOH ~20 single-end nickel-based tungsten carbide (installation) nickel-based tungsten carbide (installation) ethylene-propylene rubber chromium nickel-molybdenum steel chromium nickel-molybdenum steel self-washing/double-end face when there is crystallization > 20 double-end nickel-based tungsten carbide (installation) nickel-based tungsten carbide (installation) ethylene-propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel calcium hydroxide Ca(OH)2 ~10 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing / when there is crystallization, use double end face > 10 double end face nickel-based tungsten carbide (installed) nickel-based tungsten carbide ( Installed) ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel lithium hydroxide LiOH <100 double-end nickel-based tungsten carbide (installed) nickel-based tungsten carbide (installed) ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel magnesium hydroxide Mg(OH)2 Double-end nickel-based tungsten carbide (installed) Nickel-based tungsten carbide (installed) ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel aluminum sulfate A12 (SO4) 380~20 single end face reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum Steel＞20 Double end normal pressure sintered silicon carbide (overall) Normal pressure sintered silicon carbide (overall) Fluorine rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Potassium sulfate K2SO4 Single end face reaction sintered silicon nitride Carbon graphite impregnated with furan resin Fluorine rubber chromium nickel molybdenum steel chromium nickel Molybdenum steel is self-flushing/when there is crystallization, use double-end face potassium carbonate K2CO325~10 Single end-face reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber Chromium-nickel-molybdenum steel Chrome-nickel-molybdenum steel Self-flushing/when there is crystallization, use double-end face 100>10 pairs End face nickel-based tungsten carbide (installed) Nickel-based tungsten carbide (installed) ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel potassium nitrate KNO2 double end face reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel potassium hypochlorite KC1O Single-end nickel-based tungsten carbide (installation) Nickel-based tungsten carbide (installation) Fluorine rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Self-rinsing/dual-end face potassium permanganate KMnO4 double-end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium Nickel-molybdenum steel potassium chlorate KOC13 double-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel potassium chloride KC1 double-end reaction sintered silicon nitride carbon graphite impregnated with furan resin R chromium nickel molybdenum steel chromium nickel molybdenum steel potassium cyanide KCN double-end atmospheric pressure sintered silicon carbide (monolithic) carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel potassium phosphate K2HPO4 double end face reaction sintered silicon nitride carbon graphite impregnated furan resin nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel potassium silicide K2 Si2O3 double end reaction sintered silicon nitride carbon graphite impregnated with furan resin PTFE coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel sodium carbonate NaCO3 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber high chromium nickel steel 941 high chromium nickel steel 941 Sodium acetate NaC3H2O2 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber Hastelloy C Hastelloy C self-flushing/double-end sodium bicarbonate NaHCO when there is crystallization 3＜100＜20 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing/double-end face when there is crystallization＞20 double-end face nickel-based tungsten carbide (installed) nickel-based carbon Tungsten carbide (installed) G Chromium Nickel Molybdenum Steel Chromium Nickel Molybdenum Steel Self-rinsing/double-end sodium hydrogen sulfate NaHSO4 single-end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber Hastelloy C Hastelloy C Self-rinsing/Use double-end sodium chlorate NaClO3 when there is crystallization. Single-end Monel nickel-based tungsten carbide (package) Fluorine rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Self-rinsing/Use double-end sodium hypochlorite NaOC1 when there is crystallization. ~10 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing / use double end face when there is crystallization > 10 single end face reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing / use double end face sodium chloride NaC1 when there is crystallization ~5 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene-propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel > 5 double-end reaction nickel-based tungsten carbide (installation) nickel-based tungsten carbide (installation) ethylene-propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel sodium cyanide NaCN double-end reaction burning Bonded silicon nitride carbon graphite impregnated with furan resin Tetrafluoro coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel sodium perchlorate NaC1O4 Double end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel sodium nitrate NaNO4 Single end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber high chromium nickel steel 941 high chromium nickel steel 941 Sodium sulfate Na2SO4 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing/double-end reaction sodium perchromate Na2CrO4 double-end reaction sintered silicon nitride when there is crystallization Carbon graphite impregnated furan resin Tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel aluminum nitrate Al (NO3) 3 double-end reaction sintered silicon nitride carbon graphite impregnated furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel aluminum chloride A1C13 Single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber Hastelloy C Hastelloy C Potassium aluminum sulfate A1K (SO1) 225~10 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber high chromium nickel steel 941 high chromium nickel steel 941 self-flushing/crystallized Use double end face when >10 single end face reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing/when there is crystallization, use double end face sulfuric acid an (NH4) SO4 Single end reaction sintered silicon nitride graphite impregnated epoxy resin ethylene propylene glue chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing/double end face sulfuric acid an + sulfuric acid (NH4) 2SO4 + H2SO4 supersaturated double end face normal pressure sintered silicon carbide (whole) ethylene propylene glue chromium nickel molybdenum steel chromium nickel molybdenum steel when there is crystallization * ao acid anNH4NO3 double-end reaction sintered silicon nitride graphite impregnated with epoxy resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel ammonium carbonate (NH4) 2CO3 Single-end nickel-based tungsten carbide (installed) Nickel-based tungsten carbide (installed) tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing/when crystallized, use double-end ammonium phosphate NH4H2PO4 single-end reaction sintered silicon nitride carbon graphite impregnated Furan resin tetrafluoro-coated ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel ammonium fluoride NH4HF2 double-end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel calcium chloride CaC12 single end Reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber Hastelloy C Hastelloy C self-flushing/dual-end calcium sulfite Ca (HSO2) 2 double-end reaction sintered silicon nitride carbon graphite impregnated with furan when there is crystallization Resin PTFE coated nitrile rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Calcium hypochlorite Ca (OC1) 2 Double-end reaction sintered silicon nitride carbon graphite impregnated furan resin PTFE coated nitrile rubber Chromium nickel molybdenum steel Chromium nickel molybdenum steel Calcium nitrate Ca (NO3) 2 Double-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel calcium phosphate CaHPO4 double-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel zinc chloride ZnC12 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber Hastelloy Alloy C Hastelloy C self-flushing/double-end zinc cyanide Zn (CN) 2 double-end normal pressure sintered silicon carbide (monolithic) carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel zinc nitrate Zn (NO3) 2 single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber Hastelloy C Hastelloy C self-cleaning When flushing/when there is crystallization, use double-end face zinc phosphate Zn3 (PO4) 265~20 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel-molybdenum steel Self-rinsing/when there is crystallization use double-end face zinc sulfate ZnSO4 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium Nickel-molybdenum steel Chromium-nickel-molybdenum steel self-flushing/double-end urea CH4N2O double-end nickel-based tungsten carbide (installation) ethylene-propylene glue chromium nickel-molybdenum steel chromium Nickel-molybdenum steel, synthetic urea solution, double-ended nickel-based tungsten carbide (installed), carbon graphite impregnated with furan resin, PTFE-coated nitrile rubber, chromium-nickel-molybdenum steel, chromium-nickel-molybdenum steel, silica double-ended nickel-based tungsten carbide ( Installed) nickel-based tungsten carbide (installed) fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel paint solvent single end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum Steel Chromium Nickel Molybdenum Steel Self-rinsing Supersaturated Salt Water Double End Face Nickel-Based Tungsten Carbide (Assembled) Nickel-Based Tungsten Carbide (Assembled) Fluorine Rubber Chrome Nickel Molybdenum Steel Chromium Nickel Molybdenum Steel Seawater Single End Face Reactive Sintering Nitriding Silicon carbon graphite impregnated furan resin nitrile butadiene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing sewage seawater single end nickel-based tungsten carbide (installed) nickel-based tungsten carbide (installed) nitrile butadiene rubber chromium nickel molybdenum steel chromium Nickel-molybdenum steel self-washing carbon black and water single-end nickel-based tungsten carbide (installed) nickel-based tungsten carbide (installed) fluorine rubber chromium-nickel-molybdenum steel chromium-nickel-molybdenum steel self-flushing pulp double-end nickel-based tungsten carbide (installed) Installation) Nickel-based tungsten carbide (installation) ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel dye solution single-end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel Molybdenum steel self-rinsing wine single end reaction sintered silicon nitride carbon graphite impregnated furan resin nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing beer single end nickel-based tungsten carbide (installed) normal pressure Sintered silicon carbide (installed) fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing bleach solution single-end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber Hastelloy C Hastelloy C self-rinsing double-end reaction sintered silicon nitride carbon graphite impregnated furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel carbonyl chloride (phosgene) COC12 In-line nickel-based tungsten carbide (packed) carbon graphite impregnated with furan resin PTFE package nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing/isolating fluid needs to be agreed upon by both parties Double end Nickel-based tungsten carbide (packed) carbon graphite impregnated furan resin tetrafluoro package Nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel The isolation fluid needs to be agreed upon by both parties Freon double-end reaction sintered silicon nitride carbon graphite impregnated furan resin PTFE coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel The isolation fluid needs to be mutually agreed upon C and CaH5O Single end reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing acid CH2COOH ~5 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-washing <80 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin PTFE package Nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing <99 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber Hastelloy C chromium nickel molybdenum steel self-rinsing acetaldehyde C2H1O Single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing oxalic acid C6HuO1 single-end reaction sintered silicon nitride carbon graphite impregnated with furan resin tetrafluoro-coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing naphthalene C1DH6 Single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing carbon tetrachloride C2C14 double end 99% alumina Hastelloy fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel benzene C6H5 single end reaction sintered silicon nitride carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing phenolic acid C7H6O2 Double end reaction sintered silicon nitride carbon graphite impregnated with furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel diethyl ether C4H10O single end reaction sintered silicon nitride carbon graphite impregnated with furan resin PTFE coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-rinsing ethanol C2H5OH Single end reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing methanol CHO4 single end reaction sintered silicon nitride carbon graphite impregnated with furan resin ethylene propylene rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing methane CH4 double end face steel bonded carbide carbon graphite impregnated furan resin chromium nickel molybdenum steel chromium nickel molybdenum steel ethane C3H5 Double end steel bonded carbide carbon graphite impregnated furan resin fluoroelastomer chromium nickel molybdenum steel chromium nickel molybdenum steel ethylene C2H4 tandem steel bonded carbide carbon graphite impregnated furan resin nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing/isolating fluid to be agreed upon by both parties propylene C3H5 Single end steel bonded carbide carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-flushing propane C3H3 Single end steel bonded carbide carbon graphite impregnated furan resin fluorine rubber chromium nickel molybdenum steel chromium nickel molybdenum steel vinyl chloride C2H4C12 single end face reaction sintered silicon nitride carbon graphite impregnated furan resin PTFE coated nitrile rubber chromium nickel molybdenum steel chromium nickel molybdenum steel self-piercing