Classified according to usage:


1. Internal release agent: used inside the mold to help separate the mold and the product.
2. External release agent: used on the surface of the mold to easily separate the mold and product.


Classification according to life span:


1. Regular release agent: needs to be reapplied after each use of the mold.
2. Semi-permanent release agent: has a long service life and can be used multiple times without frequent application.


Classification according to form:


1. Solvent-based release agent: use organic solvents as carriers.
2. Water-based release agent: water-based release agent.
3. Solvent-free release agent: a release agent that does not contain organic solvents.
4. Powder release agent: Release agent provided in powder form.
5. Paste release agent: Release agent provided in paste form.


Classification according to active substances:


1. Silicon series: including silicone compounds, silicone oil, silicone resin, etc.
2. Wax series: including plant, animal and synthetic wax.
3. Fluorine series: has excellent isolation performance, common ones include polytetrafluoroethylene and fluororesin powder.
4. Surfactant series: including metallic soaps and EO and PO derivatives.
5. Inorganic powder series: such as talc, mica, clay, white clay, etc.
6. Polyether series: Made of a mixture of polyether and grease, it is often used in certain rubber industries where there are restrictions on silicone oil.