Overview
RELIABLE
Holds 22 ft (6.7 m) continuous water head pressure and up to 90 ft (27 m) surges
VERSATILE
Can seal conduits of all sizes and complex cable configurations
RE-ENTERABLE
Duct sealant can be removed for future cable installations
COMPATIBLE
Use with a wide range of cable jacket and conduit materials
MEETS ELECTRICAL CODE REQUIREMENTS
Creates airtight/watertight electrical conduit seals and is fire retardant
Related Resources
Product Information
SDS
Product Flyer
Solution Story
Technical Data
Technical Data Sheet
FST MINI-Technical Data Sheet
NEC Code for Sealing Conduits
Application Instructions
Urethane Safety
Calculator
FST Quantity Calculator
Polywater® FST™ Sealant Solution
Polywater® FST™ Installation
How to Remove an FST Seal-Instructional Video
Product Notes
- Multi-use sealing foam cartridge can seal multiple conduits.
- FST-250 is recommended for conduits of 2 inches (50 mm) or larger. For conduits less than 2 inches (50 mm), FST-MINI is recommended.
- Meets UL 94 HBF fire rating criteria. Self-extinguishes when exposed to a flame for 1 minute.
- UL Classified for caulking and sealant surface burning characteristics.
- Meets global codes and industry standards for sealing raceways and building entrances.
- NEC Class 1, Division 2 location sealant, Articles 225.27, 230.8, 300.5 (G),300.7(A) 501.15 (B)(2); CSA 6-300 (3), 6-312 (1), 12-928 18-094 (3); TIA 5.1.1.2.8, 7.4.2.8.1, TDMM, IEC
- In Service Temperature Use Range: -20°F to 200°F (-30°C to 120°C)
- Has excellent adhesion to PVC, RGS, PE, EMT, and IMC. Holds 22 feet (6.7m) of water head pressure and up to 90-foot (27m) surges. Effective for stopping the flow of gasses as well.
- High strength. Compressive strength (ASTM D1621) is 145 psi (1.00 N/mm2) and tensile strength (ASTM D1623) is 120 psi (0.83 N/mm2)
- Has chemical resistance to gasoline, oils, dilute acids and bases, and most unsaturated hydrocarbon
- NSF Certified for nonfood compounds S2.
Catalog Information
| Catalog # | Package description | Units/Case |
|---|---|---|
| FST-250KIT1 | 1 – 8.5-oz / 240-gm two-part FST™ Foam Sealant caulking tube (cat# FST-250) |
1 |
| FST-250KIT | Same as FST-250KIT1 in a case of 6 |
6 |
| FST-250 | 1 – 8.5-oz / 240-gm two-part FST™ Foam Sealant caulking tube |
12 |
| MXR-41T-10 | 10-pack of mixing nozzles for FST-250 |
1 |
| TOOL-250 | 1 – high-ratio caulking gun |
1 |
| FST-DAM | 1 – 24-in / 61-cm foam damming strip |
24 |
| FST-MINI-1 | 1 – 50-ml cartridge |
1 |
| FST-MINI-1G* | Same as FST-MINI-1 plus 1 – TOOL-50-11 *Sold in the US only |
1 |
| FST-MINI-B6 | 6 FST-MINI |
1 |
| FST-MINI-B6G* | 6 FST-MINI plus 1 – TOOL-50-11 *Sold in the US only |
1 |
| TOOL-50-11 | dispensing tool for FST-MINI |
1 |
| MXR-20T-10 | mixing nozzle 10-pack for FST-MINI |
1 |
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