Japan has developed a kind of flexible paper which can be directly pressed into the packaging container without any synthetic resin.This paper is 5-10 times more flexible than ordinary paper.If special metal mould is used, it can be pressed into various shapes of paper packaging containers.The paper packaging container has the strength of plastic packaging containers, can be used for packaging supplies and food, etc., not only the production cost is low, but also can be recycled, is expected to replace plastic packaging containers.
Nippon Paper, a Japanese Paper company, has developed deep stamping Paper with natural fiber as raw material and product name "Npimold Paper".This type of stamping paper can press text, patterns and three sets of curved surface, similar to the processing of plastic products, its convex image processing smooth to achieve better sealing.The production of this product can use the current equipment of plastic products, according to the design scheme of molding.Since there is no need for heating and softening before processing, it can improve production