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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


          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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