Huang Tianyuan, deputy secretary-general of the China Coatings Industry Association, said in an interview with reporters: Whether it is "standard paint," "green paint," or "green paint," it must first meet the state's limit standard for hazardous substances. It should be said that the paint that meets the standards is safe. Although the VOC in the paint is harmful to the human body, it has a problem of quantity. As long as the VOC is within the limited range, it will not be enough to cause too much harm to the human body. Consumers do not have to talk about poisoning.
Like other products, the paint market is also mixed. Experts reminded consumers that when buying paint, do not try to be cheap and cheap, be sure to choose a well-known brand of products, so as to ensure the safety of themselves and their families.
Don't be fooled by the word "green" on the paint package. Look carefully at the product's quality inspection report. Observe that there is no rust or leakage at the joints of the iron barrels. Note that the clear signs on the barrels are complete.
For imported coatings, it is best to choose products with Chinese logos and instructions. Non-environmentally friendly paints, because VOC, formaldehyde and other harmful substances exceed the standards, most of them have pungent odor, make people nausea, dizziness, etc., therefore, if consumers smell irritating odor when buying, then you need to be careful choice. In addition, it is best not to buy paints with added flavors, because the additives themselves are chemical products and it is difficult to protect the environment.
Save your purchase invoice. If possible, ask the seller to open the paint bucket and test it in person. If there is a serious stratification phenomenon, indicating poor quality; with a stick gently stirred, lifted, the paint stays on the stick for a longer time, covering evenly, indicating that the quality is good; hand rub a little, wait until dry, use Clear water is hard to wash away; hand light, the more delicate the better.
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Cheng plays an important role in the plastics industry, mainly reflected in the following aspects:
1. Provide support and positioning: In the process of plastic processing, various mechanical equipment needs to be used for mold switching, injection molding, extrusion and other operations. As an important part of mechanical equipment, bearings can provide support and positioning functions of the machine to ensure the normal operation of the machine.
2. Reduce friction and wear: In the process of plastic processing, the parts and components of machinery and equipment need to move frequently, which is prone to friction and wear. As a key component of mechanical equipment, bearings can effectively reduce friction and wear between parts and components, and improve the service life and efficiency of equipment.
3. Reduce noise and vibration: In the process of plastic processing, the movement of machinery and equipment will produce noise and vibration, which will have a negative impact on the working environment and operators. The use of bearings can effectively reduce the noise and vibration of mechanical equipment, and improve the comfort and safety of the working environment.
4. Improve production efficiency: The use of bearings can improve the stability and accuracy of mechanical equipment, reduce equipment failures and downtime, thereby improving the production efficiency and output of plastic processing.
In short, bearings play an indispensable role in the plastics industry, which is of great significance for ensuring the normal operation of machinery and equipment, improving production efficiency and product quality.
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