Chrome Yellow Introduction

C.I. Pigment: Pigment Yellow 34
Applications: Coatings & Plastics
Description: Chrome Yellows are inorganic pigments which provide Primrose, Lemon and Middle Yellow shades.
The Primrose & Lemon colour have been classified as Pigment Yellow 34/C.I. 77603 (Chrome Yellow) by the Colour Index System. Their basic chemical composition is PbCrO4.PbSO4.
The Middle Chrome colour has been classified as Pigment Yellow 34/C.I. 77600 (Chrome Yellow) by the Colour Index System. Its basic chemical composition is PbCrO4. PbSO4.
Chrome Yellows have been widely used in the Plastics and Coatings industry because of their bright yellow colour and high hiding power.
Product Range: Nubiterm K-series - The most heat-resistant (300ºC, 5 min) series
R-series - The heat-resistant (220ºC-260ºC, 5 min) and enhanced acid and weather fastness series
S-series - The heat-resistant (220ºC-260ºC, 5 min) and enhanced acid, SO2 and weather fastness series
L-series - The standard series

Standard Grades

Product Name: Standard L-series (AL 74, AL 79, AL 90)
C.I. Pigment: Pigment Yellow 34
Applications: Coatings
Description: Chrome Yellows have been widely used in Coatings to achieve bright yellow shades with high opacity.
In addition to that, their general features are:
  • Compatibility with all kinds of polymers
  • Easy-dispersion
Middle Chrome is widely used in road marking paints and industrial applications as well as offset inks.
Lemon Chrome Yellow is a bright yellow pigment; this product is most commonly used in offset ink and industrial paint applications. Primrose chrome exhibits a very green shade and offers good light fastness, high opacity, and low rheology coupled with economy of use.
Product Range: AL 74 - Easy dispersing middle chrome yellow
AL 79 - Easy dispersing lemon chrome yellow
AL 90 - Easy dispersing primrose chrome yellow

High Heat Encapsulated Grades

Product Name: Nubiterm K-series (AK-74, AK-81, AK-89)
C.I. Pigment: Pigment Yellow 34, C.I. 77603
Applications: Plastics, Coatings
Description: Chrome Yellows have been widely used in the Plastics and Coatings industry because of their bright yellow colour and high hiding power. Nubiterm K, known as the most heat-resistant chrome yellow series are manufactured with a special encapsulation technology that provides them with heat fastness up to 300ºC (5 min). This allows customers to use them in most of polymers.
Product Range: The Nubiterm K series consists of 3 products: Nubiterm AK-74 and AK-81, middle and lemon yellows respectively; and Nubiterm AK-89, a primrose yellow.