Barrett Scale

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This colour scale covers the range from colourless to brown and is used for grading of resins, shellacs and tar products.

The scale is based on a series of solutions made from varying proportions of cobalt chloride, ferric chloride and potassium chromate in hydrochloric acid solution.


  • Coatings
Title Parameter and Range Part Number Add to quotation cart
Comparator 2000+ 122 Parameters 142000