Cold-Shock Rust Solvent Presto  is a highly effective aid to remove severe rust from joints e.g. screws, nuts, bolts and crankshafts. Special components create a short-term “cold shock” on the rusted tools, which shrinks them and makes it possible for the lubrication to penetrate.
Common Characteristics
Presto Cold-Shock Rust Solvent is a highly effective aid to remove severe rust from joints e.g. screws, nuts, bolts and crankshafts.
Special components create a short-term “cold shock” on the rusted tools, which shrinks them and makes it possible for the lubrication to penetrate.
Quality and properties:
    Contains highly-effective penetration and lubrication substances (mineral-based).
    Works in seconds.
    Short-term cold shock -30°C.
    Leaves no residue.
    Directed jet spray.
    Can be sprayed from any angle due to a special 360° valve.
    TRG 300 compliant.
Physical and chemical data:
    Basis: Aliphatic Hydrocarbons.
    Colour: brownish-transparent.
    Smell: Vanilla.
    Relative density at 20°C: 0.65 g/ml.
    Yield: 1.92 g/sec.
    Vapour pressure at 20°C: 3 - 4 bar.