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Nubiperf AR - The new generation of Acid-Resistant Ultramarine Blues


Ultramarine Blues, due to their polysulfured chemical nature, are very sensitive to the attack of acids. When this happens, the color fades away. The way to prevent from acids attacking the Ultramarine Blue structure is to protect it with a “silica shield”.

Nubiperf AR is a new generation Acid-Resistant Ultramarine Blue developed through a novel silica encapsulation technology that is much more efficient than the conventional one. Because of this Nubiperf AR provides 40% higher tinting strength than conventional Acid-Resistant Ultramarine Blues. Moreover Nubiperf AR has got a higher acid resistance in use and a higher weather resistance, it is easier to disperse and it better resists abrasion so that it keeps all the characteristics and performance during and after processing it in an extruder, injection moulding machine,…





Most relevant Nubiperf AR applications are the coloration of:
Acid polymers or potentially acid-releasing polymers e.g. PVC
Plastics in contact with acids
Plastics in outdoor applications in which the continuous exposure to UV light, acid rain, oxygen, etc can accelerate the polymer degradation and release acid traces

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