NMFC 181090 - Chemically Hardened Fiber Tanks | Class N/A

To find the correct freight class for your shipment:

1. List “Fiber, chemically hardened tanks (empty)” with NMFC 181090 on the BOL; note FRP/gelcoat construction and confirm the tank is clean and dry.
2. Support the cylinder in cradles or V‑blocks and band to skids; add foam and edge guards to protect the gelcoat; use a full or skeleton crate and mark Do Not Stack.
3. Stabilize irregular bottoms with wide-base pallets and blocking; label the center of gravity and secure against rolling or lateral shift during LTL handling.
4. Measure fitting-to-fitting length and largest OD (e.g., 72 in dia x 96 in long); remove protruding nozzles where possible to reduce cube, and include photos for carrier review.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

• Accurate NMFC tagging for FRP tanks reduces reclass and surprise invoice risk on light-but-bulky freight.
• Proper cradling and gelcoat protection lower damage rates and costly repair claims, preserving delivery timelines.
• Non-hazardous status widens carrier options and speeds tendering compared with tanks that contain residue.
• Documented dimensions and packaging details yield better LTL or volume quotes and avoid cubic-capacity and linear-foot penalties.