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NMFC 41950 - Sulfur Bonding Cement | Class 55

Article ID
41950
NMFC 41950 sulfur-based bonding cement.
Freight Group
UNGROUPED ARTICLES
Ungrouped item; construction chemistry material.
Class Range
55 1 classification
Fixed Class 55; density not required.
Hazardous
Yes
Hazardous - declare hazmat and label properly.

Classification Details

NMFC Description Class
41950.00 Cement, bonding, sealing or embedding, NOI, consisting of sulfur combined with sand, coke breeze or other inert mineral matter, in bags, boxes, crates or drums 55

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Declare the item as hazardous and include current SDS details on the BOL; confirm NMFC 41950 with a fixed Class 55 for box or crate shipments.
  2. Package in heavy-duty boxes or wood crates lined with poly to contain dust; tape seams and add absorbent pads at corners to prevent leakage.
  3. Palletize tight: no overhang, use slip sheets, and band or strap the crate. Mark orientation and keep weight evenly distributed across the pallet.
  4. Separate from heat sources and incompatible loads (oxidizers, food). Book with hazmat-certified LTL carriers and provide a 24/7 emergency contact.

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

Business Value

  • Predictable rating: Class 55 removes density disputes, speeding quotes and reducing reclass fees.
  • Hazmat-ready packaging in boxes or crates improves carrier acceptance and minimizes delays at pickup.
  • Lower damage risk through lined crates/boxes cuts spill cleanups and claim exposure.
  • Clear classification for sulfur-mix cement supports accurate rate shopping and more competitive LTL pricing.