99594875
Jan 14, 2026
Non-metal fire-resistant boards and panels for construction; Gypsum board; Fiberboards; Fireproof tiles; Fireproof cement coatings; Non-metal clapboard; Refractory construction materials, not of metal; Adhesive mortar for building purposes; Low-fired strength-fused silica stucco refractory casting mix; Firebricks, not of metal; Refractory castable mixes, not of metal
Nonmetallic Building Materials