Silica sol shell, the module needs to be cleaned to remove the oil and wax crumbs of the module before making the shell, so that the coating can be applied smoothly
1. Making cleaning fluid, dilute 1 time with zf-301 or other waxy cleaning agent and tap water.
2. Cleaning module, the mold group is immersed in the cleaning solution several times about more than 10s.
3. Blow dry or air dry, take out the die set and blow dry with compressed air, or hang the die set on the vehicle and other transportation tools to dry.
4. Check the cleaning effect, put two modules into silica sol (wetting agent with volume fraction of 0.5%), then check for wetting after removal. Complete wetting indicates good cleaning effect, it can be rinsed with water to remove the silica sol, air dry, standby. If the inspection finds that the module cannot be completely wetted, the whole batch of modules should be cleaned again