What Is Foam Soap Dispenser? A foam soap dispenser is a non-aerosol way of dispensing liquid materials. The foam pump outputs the liquid in the form of foam and it is operated by squeezing. The parts of the foam pump are mostly made from polypropylene (PP). A foam soap dispenser dispenses doses of the liquid contained in the bottle in the form of foam. Foam is created in the foaming chamber. The liquid constituents are mixed in the foaming chamber and this is discharged through a nylon mesh. The neck finish size of a foam pump is bigger than the neck finish size of other types of pumps, to accommodate the foamer chamber. The usual neck size of a foam soap dispenser is 40 or 43mm. How To Use A Foam Soap Dispenser? 1: Add Soap Liquid Recommendation:A 1:3 soap liquid ratio to water.Can add hand soap,foam sanitizer, dishwashing liquid,shampoo,soap liquid,and other cleaning liquids with water,but can't fill gel. 2: Add Water Pour water into the bottle according to the p...