1. a reciprocal relation between two or more things. 2. a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation).
Downloads from Fluoropolymers as Polymer Processing Aid (PPA) DAIKIN PPA DA-910 is a new generation Polymer Processing Aid based on fluoropolymers, to improve processing of LLDPE and HDPE for demanding film applications.
1,2 Food additives in use today can be divided roughly into three main types: cosmetics, preservatives and processing aids, totalling presently about 3,794 different additives, of which over 3,640 are used purely as cosmetics, 63 as preservatives and 91 as processing aids.