1. The cause of the odor is generally coming. There are two reasons for the odor of the composite product: one is the odor produced by the residual solvent; the second is the odor produced by the polyethylene resin. The two odors are different. (1) Odor produced by residual solvents a. The solven

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Drops are accidents that occur during handling or transportation. The drop test is used to inspect and evaluate the impact strength of the transport package when it is subjected to vertical impact during handling and handling, and the ability of the package to protect the contents. The test simul

As we all know, the cream bottle is an important branch of the cosmetics industry, and almost every brand will produce a cosmetic product packaged in a cream bottle. As a branch of the cosmetics industry, cream bottles have also gradually formed a certain scale. Due to the needs of the market, dif

First, non-solvent polyurethane adhesive food packaging composite membrane material dry-type composite processing, long since the use of organic solvents as the medium of polyurethane solvent-based adhesive. This kind of adhesive has strong adhesive force. High temperature resistance, resistance t

In the future version of morality and society, six times in the "Peace with the Earth" PPT. Facing the yellow card issued to us by the environment and resources of the earth, human beings have to think about it: we will no longer care for the earth, and will no longer burden our earth moth

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