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Precautions for industrial salt

Release time:

2023-02-14

Nitrite reducing strong, can make flesh color bright, part of life bad ignorant businesses with industrial salt curing meat products, resulting in mass nitrite poisoning, so "industrial salt" is usually used to refer to nitrite. Long-term ingestion of nitrite also increases the risk of cancer. Industrial salt is strictly prohibited.

Application of powder coatings

The use of industrial salt

Application of powder coatings

The use of industrial salt

Physical and chemical properties of epoxy resin

Epoxy resins have a secondary hydroxyl group and an epoxy group, and the secondary hydroxyl group can react with isocyanate. Epoxy resin as a polyol is directly added into the component containing the hydroxyl group of polyurethane adhesive. In this method, only the hydroxyl group takes part in the reaction, while the epoxy group does not react.

2023-02-14

Basic classification of epoxy resins

At present, the classification of epoxy resins has not been unified. Generally, they are classified according to strength, heat resistance grade and characteristics. There are 16 main varieties of epoxy resins. Including general adhesive, structural adhesive, high temperature resistant adhesive, low temperature resistant adhesive, water and wet surface adhesive, conductive adhesive, optical adhesive, spot welding adhesive, epoxy resin film, foam adhesive, strain adhesive, soft material bonding adhesive, sealant, special adhesive, latent curing adhesive, civil construction adhesive 16 kinds.

2023-02-14

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