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10-10
What is the difference between polyethylene and polyvinyl alcohol
Polyethylene is all polymers connected by CH2, and polyvinyl alcohol is a repeating chain link with one hydroxyl group per carbon on the hydrocarbon chain side:-CH2-CH(OH). The structure is different, the natural performance is also very different, the use is also very different. Polyvinyl alcohol can be dissolved in water, while polyethylene cannot.
10-10
Operation, Disposal and Storage of Polyvinyl Alcohol
Operation precautions: airtight operation. Closed operation, providing good natural ventilation conditions.
10-10
Overview of the risk of polyvinyl alcohol
Health hazard: harmful to the body after inhalation, ingestion or absorption through the skin, the eye and skin irritation.
10-10
Polyvinyl alcohol is a synthetic polymer compound and an important industrial raw material.
10-30
What issues need to be considered in the selection of plastic additives
Before each plastic is processed, if the polymer is selected, the next thing to consider is what kind of additive is selected and its amount. Whether the plastic additives are selected correctly directly affects the processing, the performance and service life of the product. When selecting additives, there are generally four main issues to consider.
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