Black Jamaican Castor Oil: The Difference The main difference between black castor oil and regular or refined castor oil is the way the oil was processed. Black castor oil is produced the “old fashioned way”. The organic seeds are roasted and ground in a manual fashion and are boiled to ...
1. A paper size comprising a self-emulsifiable mixture of 85 to 99 parts by weight of a cyclic dicarboxylic acid andydride having hydrophobic substitution and 1 to 15 parts by weight of an ethoxylated castor oil containing at least 5 moles ethylene oxide per mole castor oil. ...
The hydrogenated castor oil and polyamide may be melt blended in proportion from 9 : 1 to 1 : 9 and then cooled and finely ground to an average particle size below 25 microns. Thixotropic compositions may be obtained by incorporating the agents in various surface coating compositions, e.g. ...