The use of ballpoint pens has brought a lot of help to people. According to statistics, there are nearly 300 million students in China, and more than 90% of them use gel pens. They are calculated on average per person per week, and nearly 15 billion are used in one year. In addition to the various types of enterprises, institutions and administrative units that cannot be counted, the used gel pens are usually discarded at random, and they can hardly be collected and recycled. The amount of waste that is difficult to collect and cleaned by discarded ballpoint pens and pens generated every year is staggering.
Waste ballpoint pens are poisonously polluted soil
The data shows that the gel pen material of the gel pen is polyethylene. Polyethylene is a polymer synthesized by free radical polycondensation of ethylene monomer. It is a colorless and transparent thermoplastic with relatively stable chemical properties and natural conditions. Under the polyethylene, it is difficult to degrade within 200 years. The metal used in the writing head includes iron, chromium, nickel, lead, copper, and tungsten. Most of them are heavy metals. These heavy metals not only cause serious pollution to the soil, but also may eventually enter the human body through the food chain, causing vasospasm and affecting. Porphyrin metabolism even damages the central nervous system, which is a serious threat to human health.
In addition, the residue in the refill can contaminate the soil and water. If the refill is incinerated, it will cause carcinogenic soot and pollute the atmosphere. It can be seen that the waste of small plastic refills will pose a great threat to the environment after a certain amount of accumulation, and it is imperative to strengthen the recycling of used refills.
Through the above content, everyone should have a certain understanding of the understanding of used ballpoint pen refills, and hope to help everyone.
It is new latest design 1000W Hair Dryer. it comes with hot and cool function and also comes with hi and low function . so it have dual switch control. that is not comes with other.in today's day and age, it comes with good quality and low price. so all can afford it. From room occupying appliances and pocket-fitting devices, to meters and meters of cables, no home is stranger to any of these.
Hair Dryer 1000W,best ionic hair dryers,best hair dryer under $100,best hair dryer for fine blonde hair,best affordable hair dryer
Ningbo Meirou Electric Appliance Co.,Ltd. , https://www.mrhotairbrush.com