T/APEP 1029-2023 Ignition fuel cleaner machine cleaning agent

Scope

Scope: This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation, storage, and safety of cleaners for spark-ignition engines. This standard applies to the production and inspection of spark-ignition engine cleaners; Main technical contents: Technical requirements, test methods, and inspection standards for spark-ignition engine cleaners. Quality indicators of test methods: - Methanol content (volume fraction) %: 5–85 - Anti-knock performance: Research octane number (RON) - Anti-knock index (RON + MON)/2: ≥ 95 - Lead content b/(g/L): 0.005 - Distillation range: - 10% evaporation temperature/°C: ≤ 50 - 50% evaporation temperature/°C: ≤ 90 - Final distillation point/°C: ≤ 100 - Residual quantity (volume fraction)/: ≤ 65 - Steam pressure, /kPa: - November 1 to April 30: - May 1 to October 31: - 45–85 - 40–65 - Gum content / (mg/100/mL): - Unwashed gum content: ≤ - Solvent-washed gum content: ≤ 30 - Induction period / min: ≤ 480 - Sulfur content (mg/kg): ≤ 10 - Mercaptan (satisfying one of the following indicators and judged as qualified): - Doctor's experimental mercaptan sulfur content (mass fraction)/: ≤ 0.001 - SH/T 0174 - Water-soluble acid or alkali: no - Mechanical impurities: no - Visible water content g/% (mass fraction): ≤ 0.15 - SH/T 0246 - GB 6283 - Benzene content g/% (volume fraction): ≤ 1 - SH/T 0713 - Aromatic hydrocarbon content / (volume fraction): ≤ 40 - SH/T 11132 - Olefin content / (volume fraction): ≤ 15 - Manganese content h/(g/L): ≤ 0.002 - SH/T 0711 - Low-temperature anti-phase separation performance (-20 °C, 4h): - Clear and transparent, no phase separation

Development Information

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