3920510050
- Other plates, sheets, film, foil and strip, of plastics, non-cellular and not reinforced, laminated, supported or similarly combined with other materials
- Of acrylic polymers
- Of poly(methyl methacrylate)
- Sheets of polymethylmethacrylate conforming to standard — EN 4364 (MIL-P-5425E) and DTD5592A, or — EN 4365 (MIL-P-8184) and DTD5592A