100 years ago, one Canadian, Joseph Coyle invent the egg tray to prevent eggs breaking during long distance transport. This perfect design was hand-made firstly until the first world war, made be egg tray machine. The trays now we find in various super market are invented by H G Bennett after 1950, molded by paper […]
Pulp molding products, such as egg tray or egg box, are widely used in oversea counties. Take U.S. for instance, almost all the pulp molding products come from waste paper. The yearly consumption of waste paper is 45000 tons, with annually increasing rate of 40%. The total consumption reached 810000 tons up to 2000. In […]
Paper pulp packaging industry adopts paper pulp, virgin pulp or waste paper, as raw material, by shaping through molds with filtration mesh, the water will be hydrated by negative air pressure, the remaining fiber will form the final package shape. Now the typical Chinese paper pulp industry follows below procedures: Hydra pulping – pulp pools […]