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[Chemical Knowledge]：Specification for storage and transport of liquefied MDI

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Safety storage and transportation specification
of liquefied MDI
Introduction

liquefied MDI (diphenylmethane diisocyanate) is a common chemical raw material, widely used in the manufacture of polyurethane materials. Due to its special chemical properties, liquefied MDI needs to strictly abide by certain safety regulations during storage and transportation to ensure personnel safety and environmental protection. This article will detail the safe storage and transportation specifications of liquefied MDI.

1. Properties and Hazards of Liquefied MDI

Liquefied MDI is a colorless to slightly yellow transparent liquid with a strong pungent odor. It has an irritating effect on human skin and eyes, can cause allergic reactions, and prolonged contact may cause respiratory diseases. In addition, liquefied MDI is also flammable and corrosive, and has a certain destructive effect on metal and non-metal materials.

2. liquefied MDI safety storage specifications

1. Storage facilities requirements: liquefied MDI should be stored in a cool, dry, well-ventilated special warehouse, away from fire, heat and direct sunlight. The warehouse floor shall be anti-skid and anti-seepage, and equipped with corresponding fire-fighting equipment and leakage emergency treatment equipment.
2. Storage container requirements: liquefied MDI should be stored in a container made of corrosion-resistant materials such as stainless steel or polytetrafluoroethylene, and the container should be well sealed to prevent leakage.
3. Storage management requirements: The warehouse storing liquefied MDI should establish a strict management system, including records of warehousing, outbound, inventory, etc., and regularly check and maintain storage facilities to ensure storage safety.

3. liquefied MDI safety transport specification

1. Transport vehicle requirements: liquefied MDI should be transported by a dedicated tank truck, the vehicle should have good sealing performance and anti-static facilities, and equipped with corresponding fire fighting equipment and leakage emergency treatment equipment.
2. Requirements for transportation personnel: The driver and supercargo for transporting liquefied MDI shall receive professional training, be familiar with the nature and hazards of liquefied MDI, and master transportation safety knowledge and emergency handling skills.
3. Transportation route requirements: The transportation of liquefied MDI should choose a safe transportation route, avoid passing through densely populated areas and sensitive environmental areas, and ensure that the transportation process will not cause harm to the surrounding environment.
4. Transportation management requirements: The transportation of liquefied MDI should establish a strict management system, including transportation plans, transportation records, emergency plans, etc., to ensure that the transportation process is safe and controllable.

4. liquefied MDI leakage emergency treatment specification

1. Personnel protection: When dealing with liquefied MDI leakage, personal protective equipment such as protective clothing, gloves and goggles should be worn to avoid direct contact with the leakage.
2. Leakage treatment: in case of leakage of liquefied MDI, the emergency plan shall be started immediately, and corresponding measures shall be taken to stop leakage, collect and clean up, so as to prevent the leakage from spreading and causing harm to the surrounding environment.
3. Environmental monitoring: After dealing with the leakage accident, the surrounding environment should be monitored to ensure that the air quality and water quality meet the standards and prevent adverse effects on the ecological environment.

conclusion

liquefied MDI as a common chemical production raw material, in the process of storage and transportation need to strictly abide by the safety norms, to ensure personnel safety and environmental protection. By strengthening the management of storage facilities, transport vehicle management, personnel training and other aspects of the work, can effectively reduce the safety risk of liquefied MDI in the storage and transportation process, to ensure the smooth progress of production activities.

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