1. The complexity degree of the rust removal parts is different. For products containing plastic and rubber parts, a more mild neutral rust remover should be chosen.

2. Different rust removal metal substrate, for rust removal, you can choose the general neutral rust removal agent, of course, you need to choose to be able to remove deep rust, no flash rust and long-term rust prevention effect is better. For other inert metals, a neutral rust remover of the ENIENT special formula is required.

3. Operation time. Fast operation is the focus of rust removal. ENIENT® 5 min fast neutral rust remover can meet this demand.