There aren't any special weight regulations for Class 3 freight above and beyond the regulations for general freight. There is a LOT of Class 3 going down the road at very high load weights--5000 gallons of gasoline, which is what a tanker truck of it holds, brings the truck pretty close to 80,000 lbs., and gasoline is probably the most transported Class 3 commodity out there.
Class 3 Flammable PlacardClass 3 Flammable Liquid label
Class 3 Flammable Liquid label
Class 3 Flammable Liquid label
DOT Hazard Class 3 is "Flammable Liquid".
Flammable liquids are in Hazard Class 3
Class 3 Flammable Liquid label
Class 3 covers flammable liquids.
It will have a 'fire' logo on the container, which will tell the person how flammable the item is. The same thing goes for flammable containers on trucks.
Methanol is a flammable liquid and falls in hazard class 3.
The class flammable liquid label is used to indicate that a substance is a flammable liquid that can ignite easily. It is typically represented by a red diamond-shaped label with a flame symbol and the words "Flammable Liquid" written on it. This label is used to warn individuals about the potential fire hazard associated with the substance.
Approximately ten square feet of surface of a Class B flammable liquid fire.
Class 3, Flammable liquid, has a flash point of not more than 60 degrees C.