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Contact SupplierThe “ATC” Digital Light Fastness Tester is used for determining the Colour Fastness to Light using a 500 W Mercury Ballast Tungsten Filament Lamp and internally phosphor coated. Digital light fastness tester is suitable for all types of textile except photochromic coloured textiles.
Principle :
A test specimen together with blue wool standards is exposed to the light from a MBTL fading Lamp. The Colour Fastness of the specimen is assessed by comparing its fastness with that of 1 – 8 Blue Wool Standards.
Equipment :
Digital light fastness teser consists of a hollow cylinder of metal open at both ends with an internal diameter of 18” and length of 18”. A 500 W MBTL fading lamp is mounted centrally so that the light distribution is constant around the circumference. An hour meter with buzzer and hour to talizer are mounted on the base. Four specimen holders are installed at equidistance in inner circumference of cylinder along with metal sheet mask to cover half of each test specimen and the standards. As temperature may touch 800 C constant cooling arrangement with water flow is provided. A horizontal pump and water tank are included in scope of supply.
Testing Standards Required :
Light Fastness Tester comprises of :
Related Standards :
Australian Standard : AS 2001.4.2