The price of dry ice is about ten or twenty yuan per kilogram. The price of dry ice is different in different application scenarios. As far as application scenarios are concerned, the cleaning of mold industry, such as tire mold, rubber mold, polyurethane mold, polyethylene mold, PET mold, foaming mold, injection mold, alloy die casting mold, hot core box for casting, cold core box, etc., can remove residual resin, invalid release film, carbonized film agent and oil stain, and open vent holes. After cleaning, the mold is as bright as new. Dry ice cleaning does not need to cool and disassemble the mold, which avoids the corrosion and damage of the mold caused by chemical cleaning, the mechanical damage and scratch of the mold caused by mechanical cleaning, and the decline of mold accuracy caused by repeated loading and unloading. Crucially, the two time-consuming steps of removing the mold and waiting for the mold to cool can be omitted, and the downtime can be reduced by about 80%-95%. dry ice ...