Cangzhou Shengfeng Plastic Products Co., Ltd.
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Products CenterEnterprises that have been engaged in the manufacturing of engineering machinery filter cartridges, mechanical filter cartridges, and special-shaped filter cartridges for a long time have a deep foundation and rich experience in the manufacturing and processing of filter cartridges. We specialize in manufacturing various types of engineering machinery filters, including hydraulic press filters, air filters, natural gas filters, dust removal filters, and more. Support personalized customization and processing of finished and semi-finished products. Our company will fully leverage its own advantages and adhere to the purpose and concept of "sincere cooperation, co creation of brilliance, pursuit of excellence, and creation of the future". With strong product process research and development capabilities, efficient flexible manufacturing capabilities, and good customer collaboration capabilities, we will continuously innovate in technology, equipment, services, and management methods to continue manufacturing more filters that meet market demand
Cangzhou Shengfeng Plastic Products Co., Ltd.
31
2023
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05
The reason why the dropper cannot be removed
Author:
The pressure inside the dropper is lower than atmospheric pressure, and the dropper is subjected to a downward force from the atmosphere. The solution is simple: heat the dropper with a water bath (not directly) to increase the vapor pressure inside the dropper and remove it. The frosted interface between the dropper and the dropper bottle is bonded due to chemical reactions, usually alkaline substances. At this point, acid cleaning is attempted, and if not possible, it can only be scrapped. The inner side of the drip bottle mouth is frosted, similar to a fine mouthed bottle, with the bottle cap replaced by a dropper. Containers used to hold small amounts of liquids, mostly used in laboratories
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