Innolab India manufactures Light Fastness Tester with Metal Hollow Cylinder. Innolab India manufactures Textile Testing Equipment. The Light Fastness Tester with Metal Hollow Cylinder is used for determination of Colour Fastness to light using a 500 W mercury Ballast Tungsten Filament Lamp and internally phosphor coated. The equipment is suitable for all types of textiles except photocrometic coloured textiles. The Light Fastness Tester consists of a hollow cylinder of metal open at both ends with an internal dia 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.