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How to shave putty without traces
Time of Update: 2022-04-16
Where the putty needs to be scraped, the base layer should be cleaned, the seams or missing corners should be filled with gypsum powder, and the paint should be treated with cloth or kraft paper online coatingol.
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Henan Tongbai 400,000 tons of baking soda production project was put into operation
Time of Update: 2022-02-18
was put into production on the 15th, driving the county to become the world's largest baking soda production base .
2 million tons, transforming it into "the world's largest baking soda production base", and it has formed an area covering food, cleaning, and decontamination.
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Technical index and application of sodium tripolyphosphate
Time of Update: 2021-12-06
[Preparation](1) Thermal phosphoric acid methodPut the phosphoric acid (50%～60%) solution into the stainless steel neutralization tank after measuring, increase the temperature and start the mixer, slowly add soda ash under stirring for neutralization reaction, and maintain disodium hydrogen phosphate and diphosphate in the neutralization tank.
Sodium tripolyphosphate has certain requirements for the flow rate of water.
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Production principle and quality inspection of 2,4-dichlorobenzaldehyde
Time of Update: 2021-08-12
6. Production process500kg of 2,4-dichlorotoluene was added to the chlorination reactor, the temperature was raised to 120°C, and the light was irradiated, and chlorine gas was started to flow .
After cooling to 60°C, the chlorinated solution is pumped to the hydrolysis kettle .
