93% meta-aramid, 5% para-aramid,2%anti-static, with different weights:4.5oz,5.4oz,6oz,7.8oz, it ... could reach ISO11612,EN531. The fabric have high-strength, high-temperature resistant and flame-retardant.Can meet: EN531.EN533,NFPA701 1.The application ... : good flame-retardant capability, no metal, no toxic gases D. Can meet: EN531.EN533,NFPA701. High Quality Nomex Fabric for Garment