B0011501 / Fabric 1501 Flame Retardent

"Quality 1501 is a flame resistant fabric. Heavy but still flexible fabric for hard environments. Certified for welding class 2. The fabric is certified EN 1149-3, EN 61482-1-2, EB 61482-1-2, ATPV 13,3 cal/cm², EN ISO 11611, EN ISO 11612.
79% cotton, 20% polyester, 1% antistatic satin, flame resistant antistatic 450g/m²
Quality 1501 is found in models such as 1701, 2601, 3061, 4801"