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        Home » Products » CRC Spray » CRC MINUS 50 Spray

        CRC MINUS 50 Spray

        CRC MINUS 50 Spray
        CRC MINUS 50 Spray
        Product Code : CRC MINUS 50
        Brand Name : CRC
        Product Description

        1. GENERAL DESCRIPTION

        Coolant for electrical and electronic use. CRC Minus 50 is a non-flammable, inert dry coolant spray for maintenance, trouble shooting and repair. Used to cool down parts and components to temperatures below 0°C to a minimum of -50°C; the tracking of intermittent faults, the detection of hairline cracks, and the locating of defective components becomes easier.

        2. FEATURES

        • Protects heat sensitive components from high temperatures during soldering and desoldering.

        • Facilitates precision fitting of metal parts : a short spray will shrink one part so a slip fit becomes possible.

        • Saves maintenance cost and downtime.

        • Non-flammable and inert.

        • No chemical attack of components.

        • Evaporates completely, leaving no residue.

        • Invaluable for testing thermostats and all systems responding to temperature changes.

        3. APPLICATIONS

        • Testing of thermometers and thermostats.

        • Locating defective electrical parts.

        • Finding faulty connectors ...

        • Locating defective diodes , transistors ...

        • Shrink fitting / removal of bushes, bearings, spindles ...

        • Assembly / disassembly of tolerance equipment.

        • Checking of transistor ignition systems.

        • Trimming / machining of rubber bushes ...

        • Removal of chewing gum, adhesives, sweets ... from fabrics, curtains, carpets, chairs, etc (spray until gum is brittle and then break away).

        • Pre-cooling “dental” instruments.

        4. DIRECTIONS

        • Let suspect circuit heat-up, spray one component at a time. Spraying of faulty component will give instantaneous change of output.

        • Hairline cracks in PC will be exposed by frosting up the copper circuitry.

        • Use extension tube for precise aiming and hard to reach areas.

        • A safety data sheet (MSDS) according EU directive 93/112 is available for all CRC products.

        Note :

        with sensitive or stressed plastic parts, the thermal stress induced by strong local cooling must be considered.


        5. TYPICAL(*) PRODUCT DATA (**)

        Appearance : colourless gas (***)

        Flash point (open cup) : none

        Specific gravity (liquid, 20°C) : 1,15

        Vapour density (vs. air=1) : > 3

        Boiling range : -24°C to -27°C

        Heat of evaporation at boiling point : 290 J/ml

        Vapour pressure (@ 20°C) : 460 kPa

        Ozone depletion potential (vs CFC 11=1) : 0,00

        Greenhouse potential (vs CFC 11=1) : 0,2

        6. PACKAGING

        aerosol : 12 x 200 ml

         



         


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