Explanatory notes
… sheets, film, foil and strip, of plastics. ‑ Cellular : 3921.11 ‑ ‑ Of polymers of styrene 3921.12 ‑ ‑ Of … or corrugated), uncut or cut into rectangles (including squares) but not further worked (even if when so cut they become articles ready for use). Plates, sheets, etc., whether or …