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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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