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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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