Cryo Milling

Cryo Milling Services

AVEKA uses liquid nitrogen to lower the temperature of the material and/or the milling process. AVEKA uses cryogenic hammer mills that can typically reduce the particle size from small pellets down to the 100s of microns. Cryo-milling can be used for:

• Reducing the material temperature below its glass transition temperature (T_g), which is the point at which a polymer goes from a brittle, glassy state (low temperature) to an elastic, rubbery state (higher temperature). Materials below their T_g are generally friable to some degree.
• Keeping the mill and material from overheating. Hard to mill materials generate a lot of heat during milling, and materials must stay below their melt temperatures or softening points to be friable.
• Temperature control to prevent hazardous decomposition during impact of the mill
• Oxygen (or other gases) exclusion to prevent degradation of the milled material when new surfaces are formed

Download the Milling and Classification flyer here

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