CORRUGATED STRUCTURES AND METHOD FOR THERMOFORMING PACKAGES

摘要

A corrugated structure having a first flat layer, a first corrugated layer secured to the first flat layer, a second flat layer having a first side and a second side, wherein the first side is secured to the first corrugated layer on a side opposite of the first flat layer, a coating layer secured to the second side of the second flat layer, wherein the coating layer has a melting temperature of at least about 450 degrees Fahrenheit and chloroform-soluble extractives of at most about 0.5 milligrams per square inch.