A blended filler used to make fairing putties which are easy to sand but still reasonably strong on a strength to weight basis. Add 20 to 40% by weight to West System epoxy mix. Cures to a dark reddish brown colour. 

All West System products are manufactured under a Quality Management System that conforms to BS EN ISO 9001:2000. As a result West System epoxy is a marine epoxy of the highest quality; to the extent that it has been approved by the Lloyds Register of Shipping for the last 20 years.