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Fire-teK® INT FLX
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Fire-teK® INT FLX is a flexible, intumescent material made with expandable graphite that expands under high pressure when exposed to heat.
Special feature: In the event of a fire, it expands into a highly pressure-resistant and stable mass. Fire-teK INT FLX is also generally resistant to moisture.

APPLICATION
The product is used in the Fire-teK® DuctProtect 60 R system to seal the joints.
This product can only be used for this system application. For further information, please
refer to our installation instructions for the system.

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Fire-teK® INT FLX
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Fire-teK® INT FLX is a flexible, intumescent material made with expandable graphite that expands under high pressure when exposed to heat.
Special feature: In the event of a fire, it expands into a highly pressure-resistant and stable mass. Fire-teK INT FLX is also generally resistant to moisture.

APPLICATION
The product is used in the Fire-teK® DuctProtect 60 R system to seal the joints.
This product can only be used for this system application. For further information, please
refer to our installation instructions for the system.

THERMAL CONDUCTIVITY CALCULATOR

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Technical data sheet Fire-teK INT FLX
pdf/17 Jun 2025/144.3 KB
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Reaction to fireE
Product typeAccessories
Insulation solution for:HVAC