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Coatings
Metacaulk C70 Industrial Cable Coating
Water-based acrylic ablative coating designed to prevent flame propagation along cables. Halogen-free, no solvents, plasticizers, or asbestos. FM Approved (3971). No ampacity reduction. Suitable for interior and exterior applications. UV and weather resistant.
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UL-Classified SystemsComponents of tested UL firestop systems
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Authorized DistributorGenuine Metacaulk® / RectorSeal
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TDS & SDSFull technical documentation
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Spec & Submittal SupportCode & system help
Key features
- FM Approved — tested per FM 3971, IEEE 1202
- Water-based acrylic, halogen & solvent free
- No ampacity reduction (no cable derating)
- UV, weather & water resistant
- Interior & exterior applications
- 2-year shelf life
Typical applications
- Single & bunched communication cables
- power cables
- cable trays
Technical data
| VOC | <10 g/L |
|---|---|
| Color | White / Gray |
| Application Temp | 40°F–120°F |
| Chemical Base | Water-Based Acrylic |
| Vapor Perm | 9.32 Perms (ASTM E96) |
| Flash Point | >212°F/100°C |
| Coverage Rate | 18.5 ft²/gal @ 63 mils DFT |
Installation overview
- Ensure cables are dry and free from dust, grease, or oil
- Thoroughly mix C70 — DO NOT add water or thinning agents
- Apply to all cable areas using brush, roller, or airless spray
- Apply in thin layers; allow 2–4 hours drying between coats
- Apply to specified thickness per tested system rating