VGOTECH Light Fastness Tester Suppliers is used
for determination of Colour Fastness to light using a 500 W mercury Ballast
Tungsten Filament Lamp & internally phosphor coated. The equipment is suitable for all types of
textiles except photocrometic coloured textiles.
specimen together with blue wool standards is exposed to the light from a MBTL
fading lamp. The colour fastness of
specimen is assessed by comparing its fastness with that of 1-8 Blue Wool
consists of a hollow cylinder of metal open at both ends with an internal dia
of –18” & 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 an hour
totaliser 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 &
temperature may touch upto 800 C constant cooling arrangement with
water flow is provided. A horizontal
pump and water tank are included in scope of supply.
1 to 8 Blue wool Light Fastness Standards of either
SDC, U.K. or AATCC, USA.
Grey Scale for Change in Colour of either SDC, U.K.
or AATCC, USA.
Standard : As 2001.4.2