Welcome to Imerys Performance Additives Division


Imerys Performance Additives offers you the widest portfolio of engineered talcs, wollastonites and micas for today's plastics market.

Imerys engineered minerals make excellent reinforcing fillers, glass-fiber replacements and foaming agents in polypropylene and engineering thermoplastics for the production of lightweight automotive parts, domestic appliances, E&E components, pipes, PVC and food packaging.

Imerys engineered minerals are used as antiblocking agents in polyethylene, restore mechanical properties to recycled plastics and are ideal nucleating agents in biopolymers and semi-crystalline polymers.

Imerys micas bring multiple benefits to sound damping applications.

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Automotive Lightweighting

HAR® 3G talc for superior flexural modulus, excellent dimensional stability and good stiffness/impact balance in PP and TPOs.


Foamed Polymers

Mistrocell® talc, a new nucleating agent for outstanding performance in foamed plastics.


VOC and Odor Reduction

New ImerSorb® and Steagreen® for reduced odor and VOCs, excellent stiffness/impact balance and long-term thermal stability.

Sound Damping

Suzorite® mica for structural vibration damping and improved mechanical properties.


Film antiblocking

Mistroblock® talc for excellent antiblocking, superior clarity and haze and optimum mechanical properties.


HAR® 3G talcs