Techflex® Spark Plug Boot Insulators
Fiberglass Spark Plug Ignition & Wire Protectors - Max Temp 1200ºF
0.0 / 5
Insultherm Spark Plug Boot Insulators
- Resin Coated Fiberglass
- Will Not Burn or Support Combustion
- Easy, No Tool Installation
- Operating Temps: -94°F to 1,202°F (-70°C to 650°C)
- Extremely Abrasion and Cut Resistant
- Resists Common Chemicals & Solvents
- Available In 4 Colors
- Melt Temp: 2,048°F / 1,120°C
- Inside Diameters Are Measured as Round Not Flat
Insultherm braided fiberglass sleeving has been the first choice among automotive professionals and enthusiasts alike for many of their thermal protection applications. These innovative sleeves offer the same high temperature protection in an easy slip on sleeve that will extend the life of expensive spark plug wires by protecting them where they need it most... at the boot. Just slip these 3/4” diameter double thickness (triple thick at the sewn end) sleeves over any spark plug cable and boot (even right angle boots) to protect them from engine temperatures up to 1,200°F. Once installed, the sleeves require no clearance from hot surfaces, and can even rest directly on hot exhaust headers without affecting performance. Insultherm Spark Plug Boot Sleeves are completely non-conductive, resist all engine chemicals, will not support combustion, and provide an easy, economical solution to the challenge of wire protection in the cramped, high temperature environment of any high performance engine compartment.
Are we missing the specification you need? Please go to our Contact Us page and submit your question to us, or call 1-877-284-7760
| Nominal Size | Product Part # | Diameter | Wall Thickness | Bulk Box | Colors |
| No Ring-Easy Install | |||||
| 4 1/2" 7 1/2" 12" | FBN0.75 FCN0.75 FDN0.75 | 3/4" 3/4" 3/4" | .085" .085" .085" | 144 144 144 | ** |
| With Ring | |||||
| 7 1/2" | FCU0.75 | 3/4" | .085" | 144 | 4 |
**NT in-stock color; all other available by special order only NT, BL, BK, RD
| Physical Properties | |
| Monofilament Thickness (ASTM D-204) | NA |
| Flammability Rating | VW-1 |
| Recommended Cutting | Scissor |
| Colors | 4 |
| Wall Thickness | .085 |
| Tensile Strength - Yarn (ASTM D-2265) lbs. | NA |
| Abrasion Resistance | High/td> |
| Specific Gravity | 1.0 - 1.8 |
| Moisture Absorption % (ASTM D-570) | .01 |
| Hard Vacuum Data (ASTM E-595 at 10-5 torr) | |
| TML | .02 |
| CVCM | .01 |
| WVR | .00 |
| Smoke D-Max (ASTM E-662) | NA |
| Outgassing | Low |
| Chemical Resistance 1=No Effect 2=Little Effect 3=Affected 4=More Affected 5=Severely Affected | |
| Aromatic Solvents | 1 |
| Alipahtic Solvents | 1 |
| Chlorinated Solvents | 1 |
| Weak Bases | 1 |
| Strong Bases | 1 |
| Salt Water (O-S-1926) | 1 |
| Hydraulic Fluid (MIL-H-5606) | 1 |
| Lubricating Oil (MIL-L-7808) | 1 |
| De-Icing Fluid (MIL-A-8243) | 1 |
| Strong Acids | 2 |
| Strong Oxidants | 2 |
| Esters/Ketones | 1 |
| UV Light | 2 |
| Petroleum | 1 |
| Fungus (ASTM G-21) | 1 |
| Salts | 1 |
| Operating Temperatures | |
| Minimum Continuous | -94°F/-70°C |
| Maximum Continuous (MIL-I-23053) | 1,202°F/650°C |
| Melt (ASTM D-2117) | 2,048°F/1,120°C |
| Other Information | |
| Halogen Free | Yes |
| RoHS | Yes |
| UL/CSA | Yes |
| SVHC | None |
Have a question that is not answered here? Please go to our Contact Us page and submit your question to us.
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Product Details
Insultherm braided fiberglass sleeving has been the first choice among automotive professionals and enthusiasts alike for many of their thermal protection applications. These innovative sleeves offer the same high temperature protection in an easy slip on sleeve that will extend the life of expensive spark plug wires by protecting them where they need it most... at the boot. Just slip these 3/4” diameter double thickness (triple thick at the sewn end) sleeves over any spark plug cable and boot (even right angle boots) to protect them from engine temperatures up to 1,200°F. Once installed, the sleeves require no clearance from hot surfaces, and can even rest directly on hot exhaust headers without affecting performance. Insultherm Spark Plug Boot Sleeves are completely non-conductive, resist all engine chemicals, will not support combustion, and provide an easy, economical solution to the challenge of wire protection in the cramped, high temperature environment of any high performance engine compartment.
Product Specifications
Are we missing the specification you need? Please go to our Contact Us page and submit your question to us, or call 1-877-284-7760
| Nominal Size | Product Part # | Diameter | Wall Thickness | Bulk Box | Colors |
| No Ring-Easy Install | |||||
| 4 1/2" 7 1/2" 12" | FBN0.75 FCN0.75 FDN0.75 | 3/4" 3/4" 3/4" | .085" .085" .085" | 144 144 144 | ** |
| With Ring | |||||
| 7 1/2" | FCU0.75 | 3/4" | .085" | 144 | 4 |
**NT in-stock color; all other available by special order only NT, BL, BK, RD
| Physical Properties | |
| Monofilament Thickness (ASTM D-204) | NA |
| Flammability Rating | VW-1 |
| Recommended Cutting | Scissor |
| Colors | 4 |
| Wall Thickness | .085 |
| Tensile Strength - Yarn (ASTM D-2265) lbs. | NA |
| Abrasion Resistance | High/td> |
| Specific Gravity | 1.0 - 1.8 |
| Moisture Absorption % (ASTM D-570) | .01 |
| Hard Vacuum Data (ASTM E-595 at 10-5 torr) | |
| TML | .02 |
| CVCM | .01 |
| WVR | .00 |
| Smoke D-Max (ASTM E-662) | NA |
| Outgassing | Low |
| Chemical Resistance 1=No Effect 2=Little Effect 3=Affected 4=More Affected 5=Severely Affected | |
| Aromatic Solvents | 1 |
| Alipahtic Solvents | 1 |
| Chlorinated Solvents | 1 |
| Weak Bases | 1 |
| Strong Bases | 1 |
| Salt Water (O-S-1926) | 1 |
| Hydraulic Fluid (MIL-H-5606) | 1 |
| Lubricating Oil (MIL-L-7808) | 1 |
| De-Icing Fluid (MIL-A-8243) | 1 |
| Strong Acids | 2 |
| Strong Oxidants | 2 |
| Esters/Ketones | 1 |
| UV Light | 2 |
| Petroleum | 1 |
| Fungus (ASTM G-21) | 1 |
| Salts | 1 |
| Operating Temperatures | |
| Minimum Continuous | -94°F/-70°C |
| Maximum Continuous (MIL-I-23053) | 1,202°F/650°C |
| Melt (ASTM D-2117) | 2,048°F/1,120°C |
| Other Information | |
| Halogen Free | Yes |
| RoHS | Yes |
| UL/CSA | Yes |
| SVHC | None |
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Have a question that is not answered here? Please go to our Contact Us page and submit your question to us.
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