| 摘要 |
<p>Disclosed herein is an environmentally friendly and low-energy consuming composite degreaser capable of effectively degreasing metal plates at room temperature. It comprises 5~25 % of cellosolve or carbitol, 10~30 % of an anionic or non-ionic surfactant, 2~3 % of tri-ethanolamine, 2~3 % of EDTA-4Na, 1~2 % of octanol, 1~3 % of sodium molybdate, 1~3 % of sodium metasilicate, and distilled water in the remaining amount to make 100 %. The composite degreaser is diluted to 1-5 % solution or is diluted 20-100 fold with distilled water for use in practice, with an effective working temperature ranging from 20 to 30 °C.</p> |
