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.
Cellulose acetate was the first plastic to be injection moulded â the process, which has become a standard of the plastics industry, was developed for it. It has also found its way into everything from cigarette filters to playing cards.