Looks like cotton thread. Actually Nomex or Kevlar wrapped in cotton. Does not melt. Decomposes at 700F.
Use fire retardant Nomex (tm) and Kevlar (tm) for sewing seams and attaching patches to clothing and gear used by first responders, motor sports participants, and others who need protection from fire and heat. It has a flat, cotton-like finish, and meets NFPA standards: 1975-1999, 1971-1997, 1976-1992, and 1977-1998.

New ! All Groz-Beckert Machine Needles and C.S. Osborne Hand Sewing Needle Kits

Information
Code Color Description
fire-retardant-sewing-thread-small-spools Fire Retardant Sewing Thread - Small Spools
Fire retardant sewing thread on low cost spools weighing two ounces or less
Select
Code Description Image Price Stock  
FRS027PURP01Ng Spun Nomex - Tex 27 - Passion Purple - Nominal 1 Oz Spool - 1178 Yards $8.25 2
FRS027PURP02Ng Spun Nomex - Tex 27 - Passion Purple - Nominal 2 Oz Spool - 2356 Yards $12.25 9
FRS027PURP04Ng Spun Nomex - Tex 27 - Passion Purple - Nominal 4 Oz Spool - 4712 Yards $19.25 11
FRS027RED102N Spun Nomex - Tex 27 - Rusty Red - Nominal 2 Oz Spool - 2356 Yards $12.25 5
FRS027RED106N Spun Nomex - Tex 27 - Rusty Red - Nominal 6 Oz Spool - 7068 Yards $25.25 60
FRS035GRES00K Spun Kevlar - Tex 35 - Sage Green - Nominal 0.5 Oz Spool - 375 Yards $6.25 7
FRS035GRES01K Spun Kevlar - Tex 35 - Sage Green - Nominal 1 Oz Spool - 750 Yards $8.25 8
FRS035GRES02K Spun Kevlar - Tex 35 - Sage Green - Nominal 2 Oz Spool - 1500 Yards $12.25 8
FRS035GRES04K Spun Kevlar - Tex 35 - Sage Green - Nominal 4 Oz Spool - 3000 Yards $19.25 7
FRS035GRES16K Spun Kevlar - Tex 35 - Sage Green - Nominal 16 Oz Spool - 12000 Yards $60.25 72
FRS035YEL301N Spun Nomex - Tex 35 - Cornsilk - Nominal 1 Oz Spool - 784 Yards $8.25 6
FRS035YEL302N Spun Nomex - Tex 35 - Cornsilk - Nominal 2 Oz Spool - 1568 Yards $12.25 2
FRS035YEL304N Spun Nomex - Tex 35 - Cornsilk - Nominal 4 Oz Spool - 3137 Yards $19.25 2
FRS035YEL308N Spun Nomex - Tex 35 - Cornsilk - Nominal 8 Oz Cone - 6275 Yards $32.25 3
FRS040BEI102Ng Spun Nomex - Tex 40 - Beige #1 - Nominal 2 Oz Spool - 1250 Yards $12.25 6
FRS040BEI104Ng Spun Nomex - Tex 40 - Beige #1 - Nominal 4 Oz Spool - 2500 Yards $19.25 6
FRS040BEI202Ng Spun Nomex - Tex 40 - Beige #2 - Nominal 2 Oz Spool - 1250 Yards $12.25 2
FRS040BEI204Ng Spun Nomex - Tex 40 - Beige #2 - Nominal 4 Oz Spool - 2500 Yards $19.25 1
FRS040BLUN04Ng Spun Nomex - Tex 40 - Ever Navy - Nominal 4 Oz Spool - 2500 Yards $19.25 1
FRS040BRO101N Spun Nomex - Tex 40 - Chocolate - Nominal 1 Oz Spool - 625 Yards $8.25 4
FRS040BRO102N Spun Nomex - Tex 40 - Chocolate - Nominal 2 Oz Spool - 1250 Yards $12.25 4
FRS040BRO104N Spun Nomex - Tex 40 - Chocolate - Nominal 4 Oz Spool - 2750 Yards $19.25 4
FRS040BROC04Ng Spun Nomex - Tex 40 - Chocolate - Nominal 4 Oz Spool - 2500 Yards $19.25 4
FRS040BROG02Ng Spun Nomex - Tex 40 - Gold Brown - Nominal 2 Oz Spool - 1250 Yards $12.25 4
FRS040BROG04Ng Spun Nomex - Tex 40 - Gold Brown - Nominal 4 Oz Spool - 2500 Yards $19.25 8
FRS040GRA502Ng Spun Nomex - Tex 40 - Very Dark Taupe - Nominal 2 Oz Spool - 1250 Yards $12.25 8
FRS040GRA504Ng Spun Nomex - Tex 40 - Very Dark Taupe - Nominal 4 Oz Spool - 2500 Yards $19.25 3
FRS040GRA602Ng Spun Nomex - Tex 40 - Charcoal Gray - Nominal 2 Oz Spool - 1250 Yards $12.25 6
FRS040GRA604Ng Spun Nomex - Tex 40 - Charcoal Gray - Nominal 4 Oz Spool - 2500 Yards $19.25 6
FRS040GRA702Ng Spun Nomex - Tex 40 - Charcoal #2 - Nominal 2 Oz Spool - 1250 Yards $12.25 7
FRS040GRA704Ng Spun Nomex - Tex 40 - Charcoal #2 - Nominal 4 Oz Spool - 2500 Yards $19.25 7
FRS040GREC02Ng Spun Nomex - Tex 40 - Camouflage Green - Nominal 2 Oz Spool - 1250 Yards $12.25 15
FRS040GREC04Ng Spun Nomex - Tex 40 - Camouflage Green - Nominal 4 Oz Spool - 2500 Yards $19.25 7
FRS040ORAR02Ng Spun Nomex - Tex 40 - Chinese Rust - Nominal 2 Oz Spool - 1250 Yards $12.25 9
FRS040ORAR04Ng Spun Nomex - Tex 40 - Chinese Rust - Nominal 4 Oz Spool - 2500 Yards $19.25 8
FRS040RED102Ng Spun Nomex - Tex 40 - Carolina Red - Nominal 2 Oz Spool - 1250 Yards $12.25 8
FRS040RED104Ng Spun Nomex - Tex 40 - Carolina Red - Nominal 4 Oz Spool - 2500 Yards $19.25 8
FRS040RED202Ng Spun Nomex - Tex 40 - Barn Red - Nominal 2 Oz Spool - 1250 Yards $12.25 8
FRS040RED204Ng Spun Nomex - Tex 40 - Barn Red - Nominal 4 Oz Spool - 2500 Yards $19.25 8
FRS040REDP02Ng Spun Nomex - Tex 40 - Raspberry - Nominal 2 Oz - 1250 Yards $12.25 9
FRS040REDP04Ng Spun Nomex - Tex 40 - Raspberry - Nominal 4 Oz - 2500 Yards $19.25 8
FRS040REDQ02Ng Spun Nomex - Tex 40 - Wild Fire - Nominal 2 Oz Spool - 1250 Yards $12.25 8
FRS040REDQ04Ng Spun Nomex - Tex 40 - Wild Fire - Nominal 4 Oz Spool - 2500 Yards $19.25 8
FRS045NATL01KRT Spun Kevlar - Tex 45 - Natural Yellow - Nominal 1 Oz Spool - 625 Yards - RIGHT TWIST $16.25 15
FRS045NATL02KRT Spun Kevlar - Tex 45 - Natural Yellow - Nominal 2 Oz Spool - 1250 Yards - RIGHT TWIST $23.25 12
FRS045NATL04KRT Spun Kevlar - Tex 45 - Natural Yellow - Nominal 4 Oz Spool - 5000 Yards - RIGHT TWIST $70.25 18
FRS050BRO101K Spun Kevlar - Tex 50 - Brown - Nominal 1 Oz Spool - 687 Yards $16.25 9
FRS050BRO104K Spun Kevlar - Tex 50 - Brown - Nominal 4 Oz Spool - 2750 Yards $38.25 12
FRS050BRO108K Spun Kevlar - Tex 50 - Brown (SK111) - Nominal 8 Oz Cone - 5500 Yards $62.25 17
FRS050BRO108Kx05 Spun Kevlar - Tex 50 - Brown (SK111) - Nominal 8 Oz Cone - Case of 5 $275.25 2
FRS050BRO108Kx10 Spun Kevlar - Tex 50 - Brown (SK111) - Nominal 8 Oz Cone - Case of 10 $488.25 1
FRS050GREF04K Spun Kevlar - Tex 50 - Federal Green - Nominal 4 Oz Spool - 2750 Yards $38.25 2
FRS050ORA104N Spun Nomex - Tex 50 - Orange - Nominal 4 Oz Spool - 3000 Yards $38.25 1
FRS050RedR02Ng Spun Nomex - Tex 50 - Rubystone - Nominal 2 Oz Spool - 1375 Yards $12.25 10
FRS050REDS01K Spun Kevlar - Tex 50 - Scarlet - Nominal 1 Oz Spool - 687 Yards $16.25 4
FRS050RedS02K Spun Kevlar - Tex 50 - Scarlet - Nominal 2 Oz Spool - 1375 Yards $23.25 8
FRS050REDS04K Spun Kevlar - Tex 50 - Scarlet - Nominal 4 Oz Spool - 2750 Yards $38.25 4
FRS050REDS08K Spun Kevlar - Tex 50 - Scarlet (SK131) - Nominal 8 Oz Cone - 5500 Yards $62.25 4
FRS050WHIN01N Spun Nomex - Tex 50 - Natural White - Nominal 1 Oz Spool - 687 Yards $15.25 3
FRS050WHIN02N Spun Nomex - Tex 50 - Natural White - Nominal 2 Oz Spool - 1375 Yards $24.25 5
FRS050WHIN04N Spun Nomex - Tex 50 - Natural White - Nominal 4 Oz Spool - 2750 Yards $42.25 6
FRS050WHIN16N Spun Nomex - Tex 50 - Natural White (NMX1000) - Nominal 16 Oz Spool $62.25 23
FRS050WHIN16Nx05 Spun Nomex - Tex 50 - Natural White (NMX1000) - Nominal 16 Oz Cone - Case of 5 $275.25 1
FRS050WHIN16Nx10 Spun Nomex - Tex 50 - Natural White (NMX1000) - Nominal 16 Oz Cone - Case of 10 $488.25 1
FRS050YEL101K Spun Kevlar - Tex 50 - Yellow (Natural) - Nominal 1 Oz Spool - 687 Yards $16.25 1
FRS060BLAC01K Spun Kevlar - Tex 60 - Black - Nominal 1 Oz Spool - 375 Yards $16.25 3
FRS060BLAC02K Spun Kevlar - Tex 60 - Black - Nominal 2 Oz Spool - 750 Yards $23.25 5
FRS060BLAC04K Spun Kevlar - Tex 60 - Black - Nominal 4 Oz Spool - 1500 Yards $38.25 7
FRS060BLAC12K Spun Kevlar - Tex 60 - Black - Nominal 12 Oz Spool - 6000 Yards $105.29 20
FRS060GREX01N Spun Nomex - Tex 60 - Foliage Green (504) - Nominal 1 Oz Spool - 500 Yards $8.25 4
FRS060GREX02N Spun Nomex - Tex 60 - Foliage Green - Nominal 2 Oz Spool - 1000 Yards $12.25 7
FRS060GREX04N Spun Nomex - Tex 60 - Foliage Green (504) - Nominal 4 Oz Spool - 2000 Yards $19.25 10
FRS060GREX12N Spun Nomex - Tex 60 - Foliage Green (504) - Nominal 12 Oz Spool - About 6000 Yards $19.99 919
FRS060NATL01K Spun Kevlar - Tex 60 - Natural - Nominal 1 Oz Spool - 375 Yards $16.25 11
FRS060NATL02K Spun Kevlar - Tex 60 - Natural - Nominal 2 Oz Spool - 750 Yards $23.25 10
FRS060NATL04K Spun Kevlar - Tex 60 - Natural - Nominal 4 Oz Spool - 1500 Yards $38.25 8
FRS060NATL12K Spun Kevlar - Tex 60 - Natural - Nominal 12 Oz Spool - 6000 Yards $105.29 16
FRS060ORA201N Spun Nomex - Tex 60 - Orange - Nominal 1 Oz Spool $16.25 6
FRS060ORA202N Spun Nomex - Tex 60 - Orange - Nominal 2 Oz Spool $23.25 7
FRS060ORA204N Spun Nomex - Tex 60 - Orange - Nominal 4 Oz Spool $38.25 4
FRS060ORA216N Spun Nomex - Tex 60 - Orange - Nominal 16 Oz Spool $120.25 2
FRS060RED301N Spun Nomex - Tex 60 - Wine (Looks Magenta) - Nominal 1 Oz Spool $16.25 18
FRS060RED302N Spun Nomex - Tex 60 - Wine (Looks Magenta) - Nominal 2 Oz Spool $23.25 17
FRS060Red304N Spun Nomex - Tex 60 - Wine (Looks Magenta) - Nominal 4 Oz Spool $38.25 5
FRS060RED316N Spun Nomex - Tex 60 - Wine (Looks Magenta) - Nominal 16 Oz Spool $120.25 9
FRS060YEL101K Spun Kevlar - Tex 60 - Yellow (Natural) - Nominal 1 Oz Spool - 500 Yards $16.25 1
FRS070PUR901N Spun Nomex - Tex 70 - Blue Tint Purple - Nominal 1 Oz Spool - 375 Yards $16.25 12
FRS070PUR902N Spun Nomex - Tex 70 - Blue Tint Purple - Nominal 2 Oz Spool - 750 Yards $23.25 11
FRS070PUR904N Spun Nomex - Tex 70 - Blue Tint Purple - Nominal 4 Oz Spool - 1500 Yards $38.25 17
FRS070PUR908N Spun Nomex - Tex 70 - Blue Tint Purple - Nominal 8 Oz Cone - 3000 Yards $62.25 8
FRS070PUR908Nx05 Spun Nomex - Tex 70 - Blue Tint Purple - Nominal 8 Oz Cone - Case of 5 $275.25 1
FRS070PUR908Nx10 Spun Nomex - Tex 70 - Blue Tint Purple - Nominal 8 Oz Cone - Case of 10 $488.25 1
FRS070YEL101K Spun Kevlar - Tex 70 - Yellow (Natural) - Nominal 1 Oz Spool $16.25 9
FRS070YEL102K Spun Kevlar - Tex 70 - Yellow (Natural) - Nominal 2 Oz Spool $23.25 9
FRS070YEL104K Spun Kevlar - Tex 70 - Yellow (Natural) - Nominal 4 Oz Spool $38.25 3
FRS090RED300N Spun Nomex - Tex 90 - Fire Red - 1/2 Oz Spool - 156 Yards $12.25 4
FRS090RED301N Spun Nomex - Tex 90 - Fire Red - Nominal 1 Oz Spool - 312 Yards $16.25 8
FRS090RED302N Spun Nomex - Tex 90 - Fire Red - Nominal 2 Oz Spool - 625 Yards $23.25 9
FRS090Red304N Spun Nomex - Tex 90 - Fire Red - Nominal 4 Oz Spool - 1250 Yards $38.25 5
FRS090Red316N Spun Nomex - Tex 90 - Fire Red - Nominal 16 Oz Spool - 5000 Yards $120.25 21
FRS090RED316Nx05 Spun Nomex - Tex 90 - Fire Red - Nominal 16 Oz Cone - Case of 5 $535.25 2
FRS090RED316Nx10 Spun Nomex - Tex 90 - Fire Red - Nominal 16 Oz Cone - Case of 10 $950.25 1
FRS135BLAC00K Spun Kevlar - Tex 135 - Black - Nominal 1/2 Oz Spool $12.25 21
FRS135BLAC01K Spun Kevlar - Tex 135 - Black - Nominal 1 Oz Spool $16.25 6
FRS135BLAC02K Spun Kevlar - Tex 135 - Black - Nominal 2 Oz Spool $23.25 12
FRS135BLAC04K Spun Kevlar - Tex 135 - Black - Nominal 4 Oz Spool $38.25 6
FRS135BLAC16K Spun Kevlar - Tex 135 - Black (SK170) - Nominal 16 Oz Spool $120.25 11