Color Viewing Light Box are used to assess colour differences under different light sources. Colour Observation Light Booths are widely used for colour deviation of goods in the textile, toy, dyeing, plastic, paint, ink, printing, pigment, chemical, footwear, leather, cosmetic and other colour industries.
Color Viewing Light Box Use Tips :
Viewing Angle
-Method A: 45° viewing
Place the sample on the bottom plate of chamber, and view the sample in 45° -Method B: 0° viewing
Place the sample on 45 fixed angle table, view the sample in 0°. That means viewing sample vertical with light.
Sample Position In The Chamber
No matter which viewing methods mentioned above is adopted, the sample should be place in the center of the chamber.
Environment Condition
Test should not be affected by other light sources except for the defined one. It is ideal to test in dark condition.
Requirements for Switching The Light Sources
Switch instantly without any delay.
Equipped with various kinds of light sources
Assess sample in different light sources
Record Lamp Usage Time
Once the lamp is used over 2000h or 1 year, it should be replaced.
QINSUN is Colour Matching Cabinet Manufacturer and supplies it in affordable price. QINSUN colour matching cabinet meets standard of ASTM D1729, ISO 3664 and etc. Find more color fastness tester here to complete your test!
Principle: Different color would appear on test samples due to the different energy radiant of different light sources. Usually, colour matching cabinet would have TL84 light source, D65, UV, F/A, CWF, U30. More light sources like D50, U35, TL83 and etc are available. Operator may assess the color difference by switching the light sources.