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Prevent melting while making frozen treats
food science product development product design design mechanical engineering manufacturing food safety food science food assembly line
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59 months ago
Small pic popsicles

Water ice products are manufactured via moulding and de-moulding process. Metal moulds are filled with a water ice liquid that consists of mainly sugar and thickener. The moulds are immersed in a brine bath (calcium chloride) at ca -40 degrees Celsius. After a few minutes inside the bath the water ice liquid is frozen to form a solid. The mould is then moved out of the brine bath and water is sprayed to the mould surface to melt a layer of the frozen solid adjacent to the mould surface. The water ice product is then removed from the mould and packed.

Without the melting of the product surface it is impossible to remove the product out of the mould as the frozen product forms strong adhesion with the metal surface that leads to breakage of the product. The melting process wastes energy and time in production. It also create hygienic and cross contamination issues as the melted product drips during demoulding and packaging.

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