Fabric	Fiber Type	Reaction to Flame	Bead	After-Flame	Ash	Odor	Smoke/Fume
Cotton	Cellulose Fiber	May flare when lit, burns	None	Continues to glow	Fine, soft	Burning paper	Gray or white
Hemp	"	quickly, bright flame,	"	flame is removedbut does not melt	gray ash	leaves, or wood	smoke; no fume hazard
Jute	"	doesn’t shrink from flame	"	"	"	"	"
Linen (Flax)	"	"	"	"	"	"	"
Ramie	"	"	"	"	"	"	"
Rayon	Manufactured cellulosic fiber	Burns without flame or melting; may flare	None unless there is a fabric finish	May glow a bit longer than cotton after flame is removed	Soft, gray ash	Burning paper	Light fume hazard
Silk	Protein fiber	Burns slowly, curls away from flame	Dark bead easily crushed	Self-extinguishing	Dark gritty fine powder	Burned hair or charred meat	Little or no smoke. No fume hazard
Alpaca	"	Burns slowly, sizzles, curls away from flame; may curl back onto fingernail	Brittle, dark, easily crushed	"	Harsh ash from crushed bead	Strong odor of hair or feathers	Dark smoke; moderate fume
Cahmere	"	"	"		"	"	"
Mohair	"	"	"	"	"	"	"
Wool	"	"	"	"	"	"	"
Acetate, Triacetate	"	Burns quickly, can flare even after flame is removed	Hard, brittle, uncrushable	Melts into very hot bead; DRIP DANGER	No ash	Hot vinegar or burning pepper	Black smoke; fume hazard
Nylon, Polymide		Quick burning due to fabric finish; shrinks to flame	Hard, grayish uncrushable	Burns slowly & melts; self-extinguishing, DRIP DANGER	No ash	Celery	Fume hazard;
Polyester		Quick burning, shrinks away from flame; may flare	Hard dark round bead	Burns slowly, not always self-extinguishing	No ash	Slightly sweet chemical odor	Black smoke; fume hazard
Acrylic,Modacrylic, Polyacrylic		Flares at match-touch, shrinks from flame, burns rapidly, hot sputtering flame; drip danger!	Hard, dark,irregular shape	Continues melting after flame is removed;self-extinguishing	No ash	Strong acrid, fishy odor	Black smoke;fume hazard