EMCaulk Classic Conductive Caulk - Part number 4FS031 - 12-10 oz tubes per case.
EMCaulk Classic Conductive Caulk — Part #4FS031
In Stock & Ready to Ship: Seven cases of 12 – 10 oz cartridges
Need multiple cases?
Volume discounts are available!
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Click here to download the Technical Data Sheet
EMCaulk Classic is a premium electrically conductive EMI/RFI shielding caulk engineered to provide reliable electromagnetic protection and electrical continuity in critical shielding applications. Designed for both interior and exterior use, this high-performance conductive sealant forms a durable, flexible, airtight, and water-resistant barrier that helps protect SCIFs, secure facilities, RF enclosures, and other sensitive environments from electromagnetic leakage and interference.
Key Features & Benefits
- Electrically Conductive Formula: Maintains electrical continuity across seams and gaps to preserve EMI/RFI shielding integrity.
- Reliable EMI Shielding Performance: Supports effective electromagnetic containment in secure construction environments.
- Durable & Weather-Resistant: Forms a long-lasting seal that resists moisture, air infiltration, and environmental exposure.
- Interior & Exterior Rated: Suitable for controlled indoor installations and demanding outdoor conditions.
- Flexible After Cure: Accommodates normal building movement without cracking or losing conductivity.
- Paintable Finish: Can be painted after curing for a clean, professional appearance.
- Easy Application & Cleanup: Applies with a standard caulk gun and cleans up with soap and water prior to cure.
- Meets ASTM C-834 Standards: Manufactured to meet industry performance requirements for quality and durability.
Common Applications
EMCaulk Classic (#4FS031) is ideal for:
- SCIF wall seams, penetrations, and retrofits
- RF shielded rooms and EMI enclosures
- Bonding panel edges and maintaining electrical continuity
- Sealing gaps around doors, frames, windows, and trim
- Closing cracks and joints in shielding assemblies
Technical Overview
| Part Number | 4FS031 |
| Packaging | Case of 12 – 10 oz cartridges (price includes 12 tubes per case) |
| Container Size | 10 oz cartridge |
| Base Material | Electrically conductive acrylic latex |
| Seal Properties | Airtight, water-resistant, mildew-resistant when cured |
| Coverage | Approximately 50–55 linear feet per tube (depending on bead size) |
| Tooling & Cleanup | Soap and water before cure |
| Paintable | Yes, after full cure |
EMCaulk Classic Part #4FS031 is the trusted solution for contractors and security professionals who require dependable EMI/RFI shielding performance combined with ease of installation and long-term durability.