Characteristics BIOPOL 74 is a non-fugitive and primarily non-ionic emulsion containing 35% dimethyl silicone fluid. It is effective and widely used release agent for rubber. ApplicationsAlthough it is used primarily as a mould release agent, BIOPOL 74 is used in many other applications including the following.1. EVA Release BIOPOL 74 is an excellent release agent for EVA release. Emulsion must be diluted in the ratio of 1:25 to 1:50 with demineralized water before spraying on the mold. Generally, better release properties with no build up is observed at 1:40 dilution.