Metamerism Index

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Metamerism can be a serious problem for manufacturers who combine different materials or materials from different sources into one product.

For example, a customer expects all the similarly coloured parts of a car to match if it is a sunny or cloudy day. Someone who purchases a coordinated outfit expects the jacket and trousers to match in daylight as well as under the fluorescent lights of the shop.

Metamerism index is a single-number index which indicates how well two materials that match under one illuminant will match under another illuminant. Typically, CIE Illuminant D65 is the reference illuminant and the test illuminant is one chosen depending on the end use of the material.

For this index to be meaningful, the materials should be a good match under the reference illuminant.

Applications

  • Coatings
  • Plastics
  • Textiles
Title Application Part Number Add to quotation cart
OnColor Lite Chemicals | Coatings | Household Products | Plastics | Textiles 400590
OnColor Premium Chemicals | Coatings | Household Products | Plastics | Textiles 400610
RT300 (0/45) 7 mm aperture Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Plastics 400300
RT305 (0/45) 4 mm aperture Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Plastics 400305
RT310 (0/45) 15 mm aperture Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Plastics 400310
RT320 (0/45) 4, 7 & 15 mm aperture Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Plastics 400320
RT500 (diffuse/8) 8 mm aperture Chemicals | Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Pharmaceuticals and Cosmetics | Plastics | Textiles 400500
RT505 (diffuse/8) 4 mm aperture Chemicals | Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Pharmaceuticals and Cosmetics | Plastics | Textiles 400504
RT520 (diffuse/8) 4 & 8 mm aperture Chemicals | Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Pharmaceuticals and Cosmetics | Plastics | Textiles 400520
RT650 (diffuse/8) Compact Spectrophotometer Chemicals | Coatings | Food and Beverage | Household Products | Medical and Clinical Products | Pharmaceuticals and Cosmetics | Plastics | Textiles 407000
RT650 Expert Package RT650 & OnColor Premium Chemicals | Coatings | Food and Beverage | Household Products | Plastics | Textiles