Castor oil PD is a partially dehydrated castor oil produced in a special process (conversion of the ricinolic acid in 9.11 - conjugated - and 9.12 - isolated - linoleic acid).

Castor oil PD is a diol with plasticizing and hydrophobing properties for
polyurethane systems, e.g. varnishes, casting resins, foams and moulded
components.