Code for column headings
CA-cellulose acetate; CAB-cellulose acetate butyrate; CN-cellulose nitrate; EC-ethyl cellulose; PM-polymethyl methacrylate; PS-polystyrene; VA-polyvinyl acetate; VB-polyvinyl butyral; VC-polyvinyl chloride; VCA-poly(vinyl chloride-co-vinyl acetate)
Code for compatibility
C-compatible, P-partially compatible, I-incompatible