MODAFLAME 60% Modacrylic 39% Cotton 1%carbon fibre. The fibres used in this fabric include 60% Modacrylic an inherently flame retardant fibre that does not combust the fibers are difficult to ignite and will self-extinguish providing natural flame retardancy without the need for an FR chemical treatment in the textile process. These fibres are blended with 39% cotton for strength and the fabric is inherently antistatic by also incorporating 1% carbon fibre for protection against electrostatic discharge hazards. The fabric has a fluorocarbon finish providing oil and water repellency and helps to protect against stains.