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The position of the structural expansion mold is first chiseled, and then rinsed with water. Plastering can be done only after the repair is smooth. It is strictly forbidden to have small or large spots on the edges of doors, windows, etc. in plastering.The thickness of the base layer should be 3mm, and no leakage should be allowed. If there is any leakage, it should be repaired in time.

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Polyoxyethylene(20)sorbitan monostearate CAS 9005-67-8

Polyoxyethylene(20)sorbitan monostearate is a non-ionic surfactant, which has been widely used in food, daily chemical, medicine, mechanical processing and other fields. About Polyoxyethylene(20)sorbitan monostearate: Polyoxyethylene(20)sorbitan

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New progress has been made in the application of zinc sulfide in night vision goggles

Zinc sulfide is an inorganic compound that typically appears as a white or slightly yellow powder and gradually oxidizes to zinc sulfate in humid environments. It has a slight irritant effect and can irritate the skin.

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