The best-selling, nonflammable, ozone-safe freeze spray from MicroCare. Widely used in circuit test and repair, this product is used around the world to find intermittent faults in circuit boards. Chills to lower than -45°F/-43ºC in seconds; may go as low as -60°F/-51°C depending upon ambient conditions. Ultra-pure. Safe on plastics. It will not leave residues or generate the component-shattering thermal shock that can occur with old-style HCFC-based chillers. Nonflammable for maximum safety