​BAYFERROX® powder pigments

In general, asphalt dyeing is facilitated by powder pigments.

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The most frequently used colours are:

• BAYFERROX® 130 and 230 (A) red – can be used in both black and transparent bitumen
• BAYFERROX® 920 yellow – exclusively for use in transparent bitumen
• COLORTHERM® Green GN – exclusively for use in transparent bitumen

Various advantages and disadvantages are associated with the use of powder pigments.​

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Advantages:

• Suitable for all types of asphalt
• No adjustment of either blending time and/or temperature required
• Low price​

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Disadvantages:

• Develops quite a lot of dust
• Poor flowability as compared to C types and polymer-encapsulated pigments​

​Packaging options: Sacks, big bags and tank trucks.