30 Nov 2013

Amazing Trick Of Changing Car Colour With Water

Muhammad Arshad Khan  /  at  10:18 pm  /  No comments



  • Video shows Nissan Skyline changing colour as water is poured over it
  • The Reactive Paint was added to the car by UK bodyshop Auto Kandy
  • It contains so-called thermochromatic pigments that react to temperature
  • When the car heats up pigments become colourless to reveal the base coat


  • In a throwback to the colour-changing mood rings and Hypercolour T-shirts of the 1990s, a UK bodyshop has taken it a step further by creating a colour-changing car. 
    Using Reactive Paint, a video shows the Bradford-based experts from Auto Kandy pouring cold water over an orange Nissan Skyline R33. 
    Wherever the water hits the car, the bodywork appears to change from orange to purple.

    A Nissan Skyline R33, pictured, was coated with heat-sensitive paint by UK bodyshop Auto Kandy. When cold water is poured onto it, the car changes colour. The paint is what's called thermochromatic. As the temperature goes up, the pigment in the paint becomes colourless, revealing the base coat underneath

    The paint is what's called thermochromatic, which means it changes from one colour to another when the temperature changes.
    As the temperature goes up, the pigment in the paint becomes colourless, revealing the base coat underneath.


    WHAT IS THERMOCHROMIC PAINT?




    The reactive element is suspended in either water or solvent based-paint and must be applied in such a way to make sure the particles spread across the entire surface.
    Auto Kandy applied the base coat under a layer of clear paint. Its Reactive Paint costs £199 per litre and the bodyshop used around 7.5 litres on its Nissan Skyline R33.
    The base colour of the car stays hidden by the effect paint when it is cold, but is revealed when the car heats up again.
    The paint comes in different colours and they can be combined with existing car colours, and top coats, to make the effect more personalised. 
    Thermochromatic paint contains pigments that change from one colour to another as the temperature changes.
    There are two types of thermochromic pigments: liquid crystals and leuco dyes. 
    Liquid crystals are more accurate in detecting temperature changes but have a limited colour range


    Leuco dyes come in more colours, but can only show 'hot' or 'cold'. These are the pigments used in the paint.
    The dye isn't applied to the car directly; it is in sold in the form of microcapsules with the mixture sealed inside.
    However, because cars spend a lot of time exposed to UV light, the paint is said to only last between four and six months. Auto Kandy said a UV additive can be bought to protect the car and extend the life of the heat reactive element.

    The reactive element is supplied suspended in either a water or solvent base. Auto Kandy applied the base coat under a layer of clear paint. Its paint costs £199 per litre and the bodyshop used around 7.5 litres on the Nissan Skyline R33



















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