Atlantex MFG
Braided Sleeving

Pyrotherm Fiberglass Sleeving

Pyrotherm LW

  • Continuous multifilament, fiberglass, braided sleeving
  • Provides light duty thermal protection over many applications
  • Continuous protection at 1000°F (537°C)
  • Low cost solution that can be added to Pyrotex line for additional thermal protection
  • Wall thickness of 0.0625" (1.5mm)
  • Size range available from 0.25-6.00" (6-152mm) I.D

Pyrotherm HW

  • Continuous multifilament, fiberglass, braided sleeving
  • Provides heavy duty thermal protection over many applications
  • Continuous protection at 1000°F (537°C)
  • Low cost solution that can be added to Pyrotex line for additional thermal protection
  • Wall thickness of 0.125" (3mm)
  • Size range available from 0.25-6.00” (6-152mm) I.D

Pyrotherm HT

  • Heat treated, braided, fiberglass sleeving
  • Provides thermal protection fro wires, cables, tubing, and rollers in extreme heat environments
  • Expandable for ease of installation
  • Size range available from 0.25-4.00" (6-101mm) I.D.

Pyrotex HS Heat treated and saturated, braided, fiberglass sleeving

  • Provides thermal protection for wires, cables, tubing, and rollers in extreme heat environments
  • Saturant provides abrasion protection and reduces endfray
  • Used in appliance applications
  • Expandable for ease of installation
  • Size range available from 0.25-4.00" (6-101mm) I.D.

Pyrotherm Fiberglass Sleeving (LW and HW)

Material Operational Temperature
Braided Fiberglass Cont.: 1000°F (535°C)
Thermal Properties Values LW HW
k: 0.0133 R: 0.0840 k: 0.0093 R: 0.0920
Dimensional Specifications (LW)
Part Number Nom I.D. Expanded I.D. O.D. Yield (±15%)* Request Quote
in mm in mm in(±0.045) mm (±1.27) lbs/ft g/m
LW04200 0250 6 0.50 13 0.3768 9.57 0.0242 36.02 Request Quote
LW06200 0.375 10 0.50 13 0.4908 12.47 0.0264 39.29 Request Quote
LW08200 0.500 13 1.25 32 0.5998 15.23 0.0301 44.79 Request Quote
LW10200 0.625 16 1.25 32 0.7270 18.29 0.0303 45.09 Request Quote
LW12200 0.750 19 1.25 32 0.8636 21.94 0.0321 47.77 Request Quote
LW14200 0.875 22 1.625 41 0.9898 25.14 0.0471 70.09 Request Quote
LW16200 1.00 25 1.625 41 1.1122 28.25 0.0487 72.48 Request Quote
LW20200 1.25 32 1.75 44 1.3546 34.29 0.0550 81.85 Request Quote
LW24200 1.50 38 1.75 44 1.6088 40.86 0.0568 84.53 Request Quote
LW28200 1.75 44 2.25 57 1.8559 47.14 0.0845 125.76 Request Quote
LW32200 2.00 51 2.25 57 2.1009 53.36 0.0836 124.42 Request Quote
LW40200 2.50 64 3.50 89 2.5815 65.57 0.1003 149.27 Request Quote
LW48200 3.00 76 3.50 89 3.1078 78.94 0.1561 232.31 Request Quote
LW56200 3.50 89 4.00 102 3.6056 91.58 0.2256 335.75 Request Quote
LW64200 4.00 102 4.00 102 4.1044 104.25 0.2736 407.18 Request Quote

*Measured at nominal ID

Dimensional Specifications (HW)
Part Number Nom I.D. Expanded I.D. O.D. Yield (±15%)* Request Quote
in mm in mm in(±0.055) mm(±1.4) lbs/ft g/m
HW04200 0.250 6 0.50 13 0.4216 10.71 0.0318 43.33 Request Quote
HW06200 0.375 10 0.625 16 0.5623 14.28 0.0423 62.95 Request Quote
HW08200 0.500 13 0.625 16 0.6471 16.43 0.0458 68.16 Request Quote
HW10200 0.625 16 1.375 35 0.7718 19.60 0.0595 88.55 Request Quote
HW12200 0.750 19 1.375 35 0.8922 22.66 0.0725 107.89 Request Quote
HW14200 0.875 22 1.375 35 1.0146 25.77 0.0677 100.75 Request Quote
HW16200 1.00 25 1.25 32 1.1405 28.97 0.0768 114.29 Request Quote
HW20200 1.25 32 2.00 51 1.3931 35.38 0.0854 127.09 Request Quote
HW24200 1.50 38 2.00 51 1.6207 41.17 0.0934 139.00 Request Quote
HW28200 1.75 44 2.25 57 1.8958 48.15 0.1176 175.02 Request Quote
HW32200 2.00 51 4.00 102 2.1392 54.34 0.1348 200.61 Request Quote
HW40200 2.50 64 3.875 98 2.6440 67.16 0.1536 228.59 Request Quote
HW48200 3.00 76 4.75 121 3.1500 80.01 0.1704 253.60 Request Quote
HW56200 3.50 89 5.00 121 3.6442 92.56 0.2534 377.12 Request Quote

*Measured at nominal ID

Pyrotherm HT & HS Sleeving Specification Sheet

Pyrotherm HT
Characteristic Specification
Substrate Continuous filament E-glass (Heat treated)
Working Temperature 537°C (1000°F)
Chemical Reactivity Good resistance to most chemicals Incompatible with fluorine, oxygen difluoride, chlorine bifluoride and alkalides.
Pyrotherm HS
Characteristic Specification
Substrate Continuous filament E-glass (Heat treated)
Working Temperature 537°C (1000°F)
Chemical Reactivity Good resistance to most chemicals Incompatible with fluorine, oxygen difluoride, chlorine bifluoride and alkalides.
ID Size Part Number Request Quote
In mm
1/2 13 -8 HT 08201 Request Quote
5/8 15 -10 HT 10201 Request Quote
3/4 19 -12 HT 12201 Request Quote
7/8 22 -14 HT 14201 Request Quote
1 25 -16 HT 16201 Request Quote
1-1/4 31 -20 HT 20201 Request Quote
1-3/8 35 -22 HT 22201 Request Quote
1-1/2 38 -24 HT 24201 Request Quote
1-3/4 44 -28 HT 28201 Request Quote
2 50 -32 HT 32201 Request Quote
2-1/4 57 -36 HT 36201 Request Quote
2-1/2 63 -40 HT 40201 Request Quote
3 76 -48 HT 48201 Request Quote
4 101 -64 HT 64201 Request Quote
ID Size Part Number Request Quote
In mm
1/2 13 -8 HS 08201 Request Quote
5/8 15 -10 HS 10201 Request Quote
3/4 19 -12 HS 12201 Request Quote
7/8 22 -14 HS 14201 Request Quote
1 25 -16 HS 16201 Request Quote
1-1/4 31 -20 HS 20201 Request Quote
1-3/8 35 -22 HS 22201 Request Quote
1-1/2 38 -24 HS 24201 Request Quote
1-3/4 44 -28 HS 28201 Request Quote
2 50 -32 HS 32201 Request Quote
2-1/4 57 -36 HS 36201 Request Quote
2-1/2 63 -40 HS 40201 Request Quote
3 76 -48 HS 48201 Request Quote
4 101 -64 HS 64201 Request Quote
   WARNING: Cancer and
   Reproductive Harm -
   www.P65Warnings.ca.gov