93%Nomex,5%kevlar,2%anti-static, with different weights:4.5oz, ... .4oz,6oz,7.8oz, it could reach ISO11612,EN531 NomexIIIA (Dupont aramid) fabric:weight: 4.5 oz, 5.5 oz, 6 ... melt,no dropstandard:ISO11612 (EN531)welcome to contact with us! Dupont NomexIIIA fabric(93%Nomex 5%Kevlar 2%P140) twill woven fabric