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Insultherm Tru-Fit (FGL) is a braided fiberglass sleeving which has been heat treated and impregnated with an acrylic binder to reduce fraying and dusting, and improve usability and performance. Insultherm Tru-Fit is engineered for applications where temperatures as high as 650°C may be encountered.
Insultherm Tru-Fit is used as primary insulation on low voltage applications such as leads in toasters, coffee makers, ranges and other appliances. Insultherm Tru-Fit may also be used as insulation and protection for small heaters and resistors that operate at high temperatures, and to insulate over soldered connections when exposure to solder melt temperatures is possible.
Insultherm Tru-Fit provides a sturdy, long lasting and inexpensive insulation solution. It is flexible and expandable, and can easily be installed over applications with irregular shapes and tight turns.
| Manufacturer | Techflex |
|---|---|
| Country of Manufacture | United States |
| HS Code | 7019.90.0085 |
Certificate

Specifications Table
| Size inch | Size mm | Part # | Diameter Max | Diameter Min | Wall thickness Max | Bulk Coil |
| 3/8" | 9,5 mm | FGL0.38 | 10,1 mm | 9,5 mm | 0,41 mm | 30,5 m |
| 7/16" | 11,1 mm | FGL0.44 | 11,7 mm | 11,1 mm | 0,41 mm | 30,5 m |
| 1/2" | 12,7 mm | FGL0.50 | 13,3 mm | 12,7 mm | 0,41 mm | 30,5 m |
| 5/8" | 15,88 mm | FGL0.63 | 16,6 mm | 15,9 mm | 0,41 mm | 30,5 m |
| 3/4" | 19,05 mm | FGL0.75 | 20,0 mm | 19,1 mm | 0,41 mm | 30,5 m |
| 1" | 25,4 mm | FGL1.00 | 26,4 mm | 25,4 mm | 0,41 mm | 30,5 m |
| 0 AWG | 0 AWG | FGLG.00 | 8,8 mm | 8,3 mm | 0,41 mm | 30,5 m |
| 1 AWG | 1 AWG | FGLG.01 | 7,9 mm | 7,3 mm | 0,25 mm | 30,5 m |
| 2 AWG | 2 AWG | FGLG.02 | 7,1 mm | 6,6 mm | 0,25 mm | 76,2 m |
| 3 AWG | 3 AWG | FGLG.03 | 6,3 mm | 5,8 mm | 0,25 mm | 76,2 m |
| 4 AWG | 4 AWG | FGLG.04 | 5,7 mm | 5,2 mm | 0,25 mm | 76,2 m |
| 5 AWG | 5 AWG | FGLG.05 | 5,0 mm | 4,6 mm | 0,25 mm | 76,2 m |
| 6 AWG | 6 AWG | FGLG.06 | 4,5 mm | 4,1 mm | 0,25 mm | 76,2 m |
| 7 AWG | 7 AWG | FGLG.07 | 4,0 mm | 3,7 mm | 0,2 mm | 76,2 m |
| 8 AWG | 8 AWG | FGLG.08 | 3,6 mm | 3,3 mm | 0,2 mm | 76,2 m |
| 9 AWG | 9 AWG | FGLG.09 | 3,2 mm | 2,9 mm | 0,2 mm | 76,2 m |
| 10 AWG | 10 AWG | FGLG.10 | 2,8 mm | 2,6 mm | 0,2 mm | 76,2 m |
| 11 AWG | 11 AWG | FGLG.11 | 2,6 mm | 2,3 mm | 0,2 mm | 76,2 m |
| 12 AWG | 12 AWG | FGLG.12 | 2,3 mm | 2,1 mm | 0,15 mm | 76,2 m |
| 14 AWG | 14 AWG | FGLG.14 | 1,8 mm | 1,6 mm | 0,15 mm | 152,4 m |
| 16 AWG | 16 AWG | FGLG.16 | 1,6 mm | 1,3 mm | 0,15 mm | 152,4 m |
| 18 AWG | 18 AWG | FGLG.18 | 1,2 mm | 1,0 mm | 0,15 mm | 152,4 m |
| 20 AWG | 20 AWG | FGLG.20 | 1,0 mm | 0,8 mm | 0,15 mm | 152,4 m |
| 22 AWG | 22 AWG | FGLG.22 | 0,8 mm | 0,6 mm | 0,15 mm | 152,4 m |
| 24 AWG | 24 AWG | FGLG.24 | 0,7 mm | 0,5 mm | 0,15 mm | 152,4 m |








