Polybutylene terephthalate (PBT) engineering plastics have excellent comprehensive properties, can still maintain its good electrical insulation properties in higher temperatures or humid environments, and has good molding processability, and has been increasingly widely used in many fields such as
PBT plastic is a kind of plastic composed of polybutylene terephthalate as the main bodyPolybutylene terephthalate, also known as polytetramethyl terephthalate. PBT for short. It is a condensed polymer of terephthalic acid and 1, 4-butanediol.Together with PET, PBT is called thermoplastic polyester.
Sulfamic acid as a cleaning agent, because it is solid, with storage, transportation convenience, easy preparation and many other advantages, especially suitable for long distance use.1. Cleaning agentThe use of sulfamic acid and its salts and a variety of metal compounds can generate soluble salts,
Client:What is hazardous liquid alkali leakage? What do you need to know about hazardous liquid alkali leakage?Answer:Liquid alkali is the liquid form of sodium hydroxide, also known as caustic soda, caustic soda. Due to the different production processes of existing chlor-alkali plants, the concent
To distinguish the difference between the four, let's first understand what these four products are:First, caustic soda
What are the commonly used disinfectants in the food industry?In order to meet the requirements of food safety, food enterprises often involve cleaning and disinfection. Cleaning is the removal of dirt from factories and processing equipment. Disinfection is the use of disinfectants to destroy the p
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Sodium benzoate (chemical formula :C6H5CO2Na), sodium benzoate belongs to the acid preservative in the acidic environment corrosion effect is better, is a very commonly used food preservative, has the effect of preventing deterioration and acid, prolong the shelf life.
Sodium benzoate is mostly white particles, odorless or slightly with benzoin odor, slightly sweet, convergence; Easy to dissolve in water (room temperature)53.0g/100ml, PH around 8; Sodium benzoate is also an acidic preservative, no bactericidal, bacteriostatic effect in the alkaline medium; The optimal PH of preservative is 2.5-4.0, and the bactericidal effect of 5% solution is not very good at PH5.0. Sodium benzoate is lipophilic, easy to penetrate the cell membrane into the cell body, interfere with the permeability of the cell membrane, inhibit the absorption of amino acids; It can enter into the cell to ionize and acidify the alkali storage in the cell, inhibit the activity of the respiratory enzyme system of the cell, and prevent the condensation reaction of acetyl coA, so as to play the purpose of food preservative.
Sodium benzoate (chemical formula :C6H5CO2Na), sodium benzoate belongs to the acid preservative in the acidic environment corrosion effect is better, is a very commonly used food preservative, has the effect of preventing deterioration and acid, prolong the shelf life.
Sodium benzoate is mostly white particles, odorless or slightly with benzoin odor, slightly sweet, convergence; Easy to dissolve in water (room temperature)53.0g/100ml, PH around 8; Sodium benzoate is also an acidic preservative, no bactericidal, bacteriostatic effect in the alkaline medium; The optimal PH of preservative is 2.5-4.0, and the bactericidal effect of 5% solution is not very good at PH5.0. Sodium benzoate is lipophilic, easy to penetrate the cell membrane into the cell body, interfere with the permeability of the cell membrane, inhibit the absorption of amino acids; It can enter into the cell to ionize and acidify the alkali storage in the cell, inhibit the activity of the respiratory enzyme system of the cell, and prevent the condensation reaction of acetyl coA, so as to play the purpose of food preservative.