ARMATEX TF 14 PTFE Coated Fiberglass from Mid-Mountain Materials exhibits outstanding high temperature resistance, abrasion resistance, and chemical resistance. It comprises a high strength fiberglass fabric covered with a coating of a specially formulated PTFE resin system. It is ideally suited for insulation pad and cover fabrication.
ARMATEX TF 17 PTFE Coated Fiberglass is another product from Mid-Mountain Materials comprising a high strength fiberglass fabric coated with a specially formulated PTFE resin system. It has excellent resistance to high temperature, abrasion, and chemicals, making it suitable for fabrication of insulation pads and covers.
Mid-Mountain Materials also offers ARMATEX TF 18 PTFE Coated Fiberglass, a high strength fiberglass fabric covered with a coating of a specially formulated PTFE resin system. This material is also suitable for insulation pad and cover fabrication thanks to its outstanding abrasion resistance, high temperature resistance, and chemical resistance.
Average Physical Properties
The average physical properties of ARMATEX TF 14 PTFE Coated Fiberglass are given as follows:
STYLE |
TF 14 |
Coating |
PTFE two sides |
Color |
Gray |
Thickness, inches, nominal |
0.011 |
Weight, oz/sy, nominal |
13 |
Temperature Rating |
|
Base Fabric |
1000°F • 538°C |
Coating |
500°F•260°C, transient exposure to 600°F • 316°C |
Tensile Strength, lbs, nominal |
300 x 250 |
Width, inches |
60 (+/- 5%) |
Standard Roll Size |
50 LY |
Base fabric can be certified to: |
MIL-Y-1170 • MIL-I-24244 |
The following are the average physical properties of ARMATEX TF 17 PTFE Coated Fiberglass:
STYLE |
TF 17 |
Coating |
PTFE one side |
Color |
Gray |
Thickness, inches, nominal |
0.014 |
Weight, oz/sy, nominal |
16.5 |
Temperature Rating |
|
Base Fabric |
1000°F • 538°C |
Coating |
500°F•260°C, transient exposure to 600°F • 316°C |
Tensile Strength, lbs, nominal |
410 x 355 |
Width, inches |
60 (+/- 5%) |
Standard Roll Size |
50 LY |
Base fabric can be certified to: |
MIL-Y-1170 • MIL-I-24244 |
The average physical properties of ARMATEX TF 18 PTFE Coated Fiberglass are listed as follows:
STYLE |
TF 18 |
Coating |
PTFE two sides |
Color |
Gray |
Thickness, inches, nominal |
0.015 |
Weight, oz/sy, nominal |
18 |
Temperature Rating |
|
Base Fabric |
1000°F • 538°C |
Coating |
500°F•260°C, transient exposure to 600°F • 316°C |
Tensile Strength, lbs, nominal |
410 x 355 |
Width, inches |
60 (+/- 5%) |
Standard Roll Size |
50 LY |
Base fabric can be certified to: |
MIL-Y-1180 • MIL-I-24244 |
Tolerance is +/- 10% unless otherwise stated.

This information has been sourced, reviewed and adapted from materials provided by Mid-Mountain Materials.
For more information on this source, please visit Mid-Mountain Materials.