Item No.: G99G074
. General purpose provides thermal protection from sparks & splatter heat treated flame retardant 
. Heat treating welding blanket 
. Unfold size：4' x 6' 
. Thickness：0.65mm 
. Product weight：600g/m² 
. Maximum working temperature：550℃/1022℉ 
. Brass grommets on each side 
. Material：fiberglass 
. FM 4950 certification  
. Accord with NFPA701 standard