T/ZSHG 003-2018 Air-mist air conditioning cleaning agent
T/ZSHG 003-2018 Air-mist air conditioning cleaning agent
Basic Information
Scope
Scope: This standard applies to aerosol-type air conditioning cleaning agents products formulated mainly with surfactants and corrosion inhibitors as raw materials; Main technical contents: Project Indicator Requirements Product appearance: Colorless or light yellow liquid pH value (25°C): 8–11 Internal pressure (25±1°C): ≤0.8 MPa Leakage test (50±2°C, constant temperature water bath): Passed Spray rate, %: ≥96 Net cleaning power, %: ≥90 Heat resistance: Can be used normally after being stored at (40±2°C) for 24 hours and returning to room temperature Cold resistance: Can be used normally after being stored at (0–5°C) for 24 hours and returning to room temperature Corrosivity [room temperature, brass, 1h]: Grade 1 corrosion amount, mg ≤3 Corrosivity [room temperature, stainless steel, 2h]: Grade 0 corrosion amount, mg ≤2