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Resin Saturated Fiberglass Protects up to 1,200°F

Insultherm is an extremely high temperature resistant sleeve commonly used as thermal protection for wires, cables and hoses that are subjected to continuous and extreme high temperature environments, such as engine manifolds and exhaust systems.

Insultherm is braided from fiberglass yarns and saturated with high temperature resins that improve the product's stability and minimize irritating fiberglass dusting during cutting and installation. The sleeving is tough and durable, maintaining its tight structure under extreme vibration, abrasion, mechanical stress and temperature variations.

Insultherm is available in a wide range of diameters. It cuts cleanly with scissors and installs easily over a variety of applications to either deflect or retain heat in environments up to 1,200°F.

Insultherm Close-Up
Insultherm Fire Resistance
Insultherm Application
Colors
Insultherm fiberglass sleeving is available in Black and Silver.
Black Insultherm
Black (BK)
Silver Insultherm
Silver (SV)
Sizes
Nominal
Size
Product
Part #
Maximum
Diameter
Wall
Thickness
Standard Spool Put-Ups Colors Lbs/
100'
Bulk Shop
1/4"
3/8"
1/2"
5/8"
3/4"
7/8"
1"
1 1/2"
2 1/2"
FGN0.25
FGN0.38
FGN0.50
FGN0.63
FGN0.75
FGN0.88
FGN1.00
FGN1.50
FGN2.50
3/8"
5/8"
3/4"
7/8"
1 1/8"
1 1/4"
1 5/8"
2 5/8"
4 1/8"
.031"
.043"
.046"
.046"
.046"
.046"
.057"
.061"
.071"
200'
200'
200'
200'
200'
200'
100'
100'
100'
50'
50'
50'
50'
50'
50'
25'
25'
25'
2
2
2
2
2
2
2
2
2
2.00
3.30
4.80
5.30
6.40
8.70
10.50
16.00
19.70
Specifications
Techflex makes every effort to ensure accuracy and completeness when describing the technical properties of our products. Customers are encouraged to test and evaluate the products for their own unique requirements.
Physical Properties
Monofilament Thickness (ASTM D-204)  
Flammability Rating VW-1
Recommended Cutting Scissor
Colors 2
Wall Thickness .031 - .061
Tensile Strength - Yarn (ASTM D-2265) lbs.  
Abrasion Resistance High
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
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-A-8243) 1
De-Icing Fluid (MIL-A-8243) 1
Strong Acids 2
Strong Oxidants 2
Esters/Ketones 2
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 No
SVHC None
RoHs logo UL Logo
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973-300-9242
973-300-9409

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