NMFC 169740 - Thermal Storage Salt Rods | Class 55

To find the correct freight class for your shipment:

1. List the full NMFC on the BOL: “Rods, thermal energy storage—salt compound in plastic pipe, crated; Class 55 (NMFC 169740).” This wording reduces reclass risk.
2. Provide exact crate dimensions and weight; long rods often exceed 96 inches and may trigger excess-length fees. Share LxWxH so docks can plan space.
3. Prevent puncture and bowing: block and brace the rods inside the crate, cap pipe ends, and mark forklift entry points. Add “Do Not Fork Sides” and “No Top Load” labels if applicable.
4. Stabilize temperature before pickup; let the salt PCM reach ambient and avoid staging near heat sources to limit expansion stress on the plastic pipe.

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

• Fixed Class 55 simplifies quoting and budgeting—no density breakpoints to calculate for these crated rods.
• Non-hazardous status broadens carrier options and avoids hazmat surcharges, speeding tender and acceptance.
• Crated packaging reduces transit damage on elongated plastic pipe assemblies, lowering claims and jobsite delays for HVAC or district energy projects.
• Clear NMFC citation on paperwork minimizes inspections and reclass fees, improving invoice accuracy and cash flow predictability.