Conduits, Other Than Earthen: Contact Mass (Magnesium Sulfate with Platinum) - 52690

Contact Mass (Magnesium Sulfate with Platinum) - 52690

What is Freight Class?

When shipping your products as LTL (less-than-truckload), you have to assign your shipment a freight code. This is a standardized code created by the National Motor Freight and Traffic Association which allows carriers to identify qualities of the shipment and assist with transportation.
Ship contact mass (magnesium sulfate with platinum) accurately by using the information below:
Contact Mass (Magnesium Sulfate with Platinum)
Commodity note:
Platinum sludge, which is contact mass residue from which magnesium sulfate and other material has been dissolved and eliminated, not taken, in drums

Subclasses for

Contact Mass (Magnesium Sulfate with Platinum) - 52690

Often, NMFC codes have subclasses. These subclasses generally are based on the density of the shipment.
In this instance, the commodity, contact mass (magnesium sulfate with platinum), is further broken down in the following subclasses:
Subclass Info
Subclass NMFC Code
Freight Class
Subclass Notes
Please note: This is for educational purposes only. Ultimately, the carrier reserves the right to classify the groups.


Where can I find freight class code chart?

The National Motor Freight Traffic Association (NMFTA) publishes a list of freight class designations, codes, and subclasses for commonly shipped items ( A subscription fee is required to access this list. You can learn more about freight classes from the experts at Koho for free on our freight classes pages.

What happens when a freight class code is wrong?

It might be tempting to declare that your shipment is a lower freight class than it actually is in order to secure a lower price, however, carriers will re-classify your freight for accuracy and charge you a fee for having to do so.

Does stackability affect freight class?

Yes. If your shipment can be stacked, it allows the carrier to fit more freight into their truck.