Dupren / Rhenosol pigment preparations are new masterbatches specially formulated for the rubber industry. These product preparation are a result of the product development teamwork of Rhein Chemie Rheinau GmbH based in Manheim and Ducol Organics and Colours based in Mumbai

Dupren pigment preparations are masterbatches specially formulated for the rubber Industry. Dupren masterbatches are pigments dispersed in a carrier medium which is polymeric in nature & highly compatable to most polymers used in the rubber industry making it a universal type of colour masterbatch.

Dupren are in low dusting fine powder form which are readily dispersible in rubber compounds at any stage of compounding/ formulation and require relatively minimal mechanical energy to achieve full colour strength, brightness and brilliancy. Dupren masterbatches are formulated for the rubber industry and are not detrimental to or alter the properties of the end product.


Dupren is available in a range of standard colours from Yellow, Orange, Red, Violet, Blue & Green. Specific customised shades can be offered for large Requirements.

Dupren is also offered as RHENOSOL by RHEIN CHEMIE RHEINAU which is a BAYER rubber group company.