This document provides information about a bulk improver additive called R-BLK-3260 produced by RSA Industries Pvt. Ltd. It can be used to enhance the bulkiness of paper, especially for writing, printing, and other pulp and paper applications. The additive improves the bulk of paper without reducing strength properties and provides better surface smoothness and gloss. It requires low dosages of 0.5-1.25 kg per ton of paper and is sold in packaging sizes of 60 kg and 30 kg. The product is diluted to 10% and added to the mixing chest during paper production.