Acrylic Fire Rating 
Cast PMMA is classed
- B2, with no burning droplets, to DIN 4102
- M4 (no droplets) to NF 92500+
- Class 3 to BS 476, Part 7
- TP(b) to BS 2782, Method 508 A;
- IIIa or BH3 to DIN VDE 0304, Part 3, and
- 750°C (in France);
- UL 94 HB.
