The favorite ozone-safe freeze spray from MicroCare, this product Features: a conductive additive that minimizes static build-up and ice formation on the components. Widely used in circuit test and repair, techs use this product to find intermittent fault in circuit boards. Chills to lower than -45F-43C in seconds; may go as low as -60F-51C depending upon ambient conditions. Ultra-pure. Safe on plastics. It will not leave residues, attack soft plastics or generate the component-shattering thermal shock that can occur with HCFC-based chillers. The additive evaporates without leaving any residues in about sixty seconds. Nonflammable for maximum safety