NMFC Code 55560 - Freight Classification Details

NOTE-(a) Fiberboard cans with fiberboard ends must be of three-ply wall construction. Ends must be friction type. Wall must have a combined thickness of board of 0.045 inch and test not less than 275 psi. Contents must not exceed 30 pounds. (b) Fiberboard cans with steel tops and bottoms or with metal bottoms and fiberboard tops, contents not to exceed 50 pounds, constructed as follows: Wall must be three-ply, having a combined thickness of board of 0.042 inch and test not less than 275 psi. Bottoms must be made from 100 pounds basis weight cold reduced tin plate. Cover specifications are as follows: (1) Fiberboard covers must be made from two-ply fiberboard having a combined thickness of 0.036 inch and test not less than 200 psi and must interlock firmly with a steel rim reinforcement on body; OR (2) Metal covers must be made from 100 pounds basis weight cold reduced tin plate and must be firmly crimped to the sidewall.