𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞 ; 𝐃𝐑𝐘-𝐈𝐂𝐄 𝐁𝐋𝐀𝐒𝐓𝐈𝐍𝐆

𝐓𝐨𝐝𝐚𝐲'𝐬 𝐊𝐍𝐎𝐖𝐋𝐄𝐃𝐆𝐄 𝐒𝐡𝐚𝐫𝐞

𝐃𝐑𝐘-𝐈𝐂𝐄 𝐁𝐋𝐀𝐒𝐓𝐈𝐍𝐆

Industrial cleaning has always been messy, time-consuming, and often damaging to the very equipment it is meant to protect. Dry-ice blasting is changing that equation.

The process accelerates solid CO₂ pellets at -78.5°C through a compressed air stream onto a surface. Upon impact, the pellets sublimate — transitioning directly from solid to gas — leaving no blasting media residue behind. Three simultaneous effects drive its effectiveness:

- Kinetic energy loosens contaminants

- Thermal shock causes dirt layers to contract and crack away

- Sublimation expansion creates a micro-lifting effect that peels contaminants off the surface

For manufacturers using injection molds or precision tooling, the implications are significant. Dry-ice blasting can extend mold life by up to 500% compared to traditional methods and allows cleaning in-place at operating temperature — no disassembly, no cool-down, no drying time.

On-demand pellet production now removes the final logistical barrier, eliminating dependence on dry-ice delivery schedules entirely.

source : Plastics Technology