Fabric that is thin will burn faster, because it has more surface area for the amount of burnable material to which the oxygen in the air can get to. It also depends on temperature, amount of oils and other super-flammables in the fabric, and so on.

All fabrics will burn but some are more combustible than others. Untreated natural fibers such as cotton, linen and silk burn more readily than wool, which is more difficult to ignite and burns with a low flame velocity. For more information please go to: