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post #11 of (permalink) Old 26th April 2007
Technical Supremo

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Tinted windows

The plastics used in tinting act as a one-way light transference medium and on the rear and rear passenger windows can be as dark as you like when viewed from the outside but must have a least 70% light transference when viewed from the inside. In other words you should be able to see clearly out at night. As with any other product there are varying degres of quality and not all will comply with the 70% light transference - so beware before you buy. If you have a light meter you take a reading on the surface outside the galss and then a reading inside and work out the differing percentage. It must also be remembered that the product must be applied in strict accordance with the manufacturers instructions and ideally checked afterwards.
As far as the front screen and front passenger and drivers side windows they must have a close as posssible to 100% light transference in order to allow those in front of the vehicle to be identified by someone from the outside or photographed by traffic or security camera.
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