T/ZSHG 008-2019 Aerosol-type Tar Cleaning Agent
T/ZSHG 008-2019
Basic Information
Scope
Scope: This standard applies to aerosol-type tar cleaners formulated with aromatic hydrocarbon solvents and silicone oils as the main raw materials, which are mainly used to clean automobile hubs, painted surfaces, and other metal parts of stubborn stains such as asphalt and tar. Main technical content: Project Indicator Requirements Product Appearance: Colorless or light yellow liquid Internal Pressure (50±1)°C, MPa ≤0.8 Leakage Test (50±1)°C, constant-temperature water bath No leakage Ejection Rate (%) ≥98.0 Net Cleaning Power (%) ≥85 Heat Resistance Retain normal use after being stored at (40±2)°C for 24 hours and restored to room temperature Cold Resistance Retain normal use after being stored at (0±5)°C for 24 hours and restored to room temperature Corrosion Resistance Grade 0 corrosion on 45 steel surface, corrosion amount, mg ≤2