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Is plastic woven bag harmful to human body?

Whether the woven bag is harmful to human body. Generally speaking, the color of woven bags is divided into white or grayish white, tasteless, and less harmful to the human body. Although woven bags are formed through various chemical reactions of chemical plastics, the fact that they are environmentally friendly is undeniable, and the recycling efforts are also large. Therefore, woven bags have no impact on human body Woven bags have a wide range of applications, most of which are used for packaging and packaging of various items, and are widely used in industrial chemistry. The plastic woven bag is made of polypropylene resin as the main raw material, which is extruded and stretched into flat wires, then woven and made into bags. The composite plastic woven bag is made of plastic woven cloth as the base material by tape casting. According to the sewing method, the woven bag can be divided into bottom sewing bag, bottom sewing bag, pocket inserting bag and adhesive sewing bag. The plastic woven bag is mainly composed of polypropylene bag and polyethylene bag; According to the sewing method, it can be divided into bottom sewing bag and edge sewing bag. At present, it is widely used as a packaging material for fertilizer, chemical products and other articles. The main production process is to use plastic raw materials to extrude film, cut, stretch in a single direction into flat wires, and weave them through warp and weft to make products, which are generally called woven bags.

2021

Can container bags contain dangerous goods?

1) Articles with explosion risk, such as fireworks; 2) Flammable liquids, such as gasoline and kerosene; 3) Dangerous goods with packaging class I, such as rocket warheads, black powder, etc; 4) Solid dangerous goods with melting point equal to or lower than 45 degrees; 5) The United Nations Recommendation on the Transport of Dangerous Goods (the 15th revised version) stipulates that dangerous goods in bags cannot be used; 6) Solid dangerous goods with steam pressure exceeding 10kPa at 50 ℃.

2021

How to prevent static electricity in the storage and transportation of chemicals to ensure the safety of goods

There are two aspects of harm 1. Electric shock; 2. Causing combustion and explosion accidents; Such as aluminum powder, when the aluminum powder dust in the air reaches a certain concentration, that is, the explosion limit, it will become an ignition source once encountering an electrostatic discharge spark, causing combustion and explosion. It not only causes loss of goods, but also endangers life safety. Causes of static electricity The generation of static electricity has its internal and external causes. The internal cause depends on the conductivity of the material, The common external cause is the electrification caused by the mutual friction of substances. For example, friction, rolling, impact, etc. between materials during storage and transportation, followed by attached electrification, induced electrification, etc.

2021

Is the container bag waterproof?

There are many wrong information on the Internet about the waterproof performance of flexible container bags. Today we come to clarify the fact that flexible container bags are not waterproof. Flexible container bags are made of woven polypropylene sheeting, which is not waterproof. Some container bags are coated with polyethylene film, which can be on the outside or both sides. This film does not guarantee the waterproof of flexible container bags. It would be a mistake to think that the coated container bags are waterproof. The polyethylene film can act as a good moisture barrier, and can greatly prevent the leakage of fine raw materials. Again, the film cannot guarantee the waterproof of flexible container bags. The answer to whether flexible container bags can be waterproof is no.

2021

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