Water-based paint heat faster than expected
Recently, with the country’s emphasis on environmental protection, various environmental protection policies have been continuously introduced, and a strong policy control has been implemented on the coating chemical industry. The traditional paint consumption tax policy will be introduced. Environmentally-toxic and toxic traditional paints will face industrial integration. Corresponding to the situation where oil paints continue to encounter tightening restrictions, water-based paints and other environmentally-friendly paints will be welcomed under the pressure of atmospheric governance and policy support. To quickly develop opportunities.
Water-based paints and other environmentally-friendly paints are in line with the development trend of international science and technology, and will be upgraded products of traditional paints, leading the new pattern of green paint. Under the requirements of the new environmental protection law, there will be no upper limit for penalties imposed by polluting enterprises, and organic volatiles brought by traditional paints will become the focus of remediation. Current environmental protection policies have been severely affected by the pressure. Limiting the development of solvent-based paints, implementing environmental credit assessments for enterprises, and formulating oil-based paint consumption tax plans all force the environmental transformation of paint companies. This will inevitably lead to small paint companies losing their price advantage and survival capital, and the paint industry will re-integrate.
At present, the annual output of paints in China is nearly 13 million tons, and the use rate of environment-friendly paints is less than 50%. The developed countries in Europe and America account for 70%-80%. From the perspective of the application category, 45% of the paint market consists of architectural decorative coatings, basically environmentally friendly coatings, water-based coatings accounting for 90%, and powder coatings about 8%. Due to the destructive effect of paints on production and use, traditional paints have long been banned in European and American markets. Since January 1, 2004, the European Union has completely banned the production and sale of solvent-based paints in EU countries and switched to water-based paints. The United States also restricted Chinese paint furniture from entering the US market in 2004. Global Coatings Network understands that water-based paint uses water as a diluent and does not contain toxic chemicals. Its comprehensive promotion will relieve air pollution sources and improve environmental governance. The VOC emissions of waterborne paints are 60%-70% lower than that of oil paints, and the environmental benefits are obvious.
The application of waterborne coatings in China is supported by national policies, and it needs to be recognized by consumers. It should speed up and strengthen the maintenance of the waterborne paint market environment, and jointly promote waterborne paints with high quality products and perfect services to promote waterborne environmental protection in China. The rapid development of paint. A senior industry official stated: “The market demand and popularity of water-based paint is faster and more rapid than expected. We must have strong technical service support during the period of rapid growth of water-based paint to protect the application of water-based paint. , Maintain the water environment of the waterborne wood paint market. Really allow furniture companies and distributors to accept and approve waterborne wood coatings."
The full ceramic ball bearings listed below are supplied with rings and balls made from zirconium dioxide (ZrO2). These zirconia bearings are available as full complement (no cage) or with cages made from PTFE, PEEK or 316 stainless steel.
These are non magnetic, non-conductive and highly corrosion resistant to most chemicals although ZrO2 bearings are not recommended for prolonged contact with steam. Full complement bearings or those with a 316 stainless cage can be used up to 400°C while bearings with a PEEK or PTFE cage can cope with temperatures of up to 250°C. For temperatures below -70°C, PTFE or 316 stainless steel cages are preferred. Standard radial clearance for full ceramic bearings is C0 but other clearances can be supplied to order.
ZrO2 ceramic bearings are generally used for their extreme temperature capabilities, excellent corrosion resistance or non-magnetic properties. Other sizes can be supplied on request.
The Description of Ceramic Bearings:
Compared to steel, Ceramic ball Bearings have many specific advantages. They offer superior corrosion and heat resistance, higher dimensional stability, and lower density, which facilitate high speed. Ceramics are superior to steel in heat and corrosion resistance, and are lightweight and extremely hard as well. Consequently, ceramic rolling bearings can be used in environments where conventional steel bearings cannot. That is to say, the superiority of these bearings makes it possible that they can be applied in some special environments.
Firstly, they can be used in corrosive environments. Compared to stainless steel bearings, hybrid and all Ceramic Bearing lasted three and twenty times longer respectively. It is presumed that water readily adheres to silicon nitride and forms a better lubrication film, leading to extended bearing life.
Secondly, they can be performed in corrosive agents. Generally, silicon nitride has excellent corrosion resistance. However, corrosion resistance varies depending on the type and quantity of sintering additives, and certain corrosive agents decrease in hardness and flexural strength. In such situation, it is can be proved that the carbide-based ceramic bearings are the most effective.
Thirdly, they can be used in high-temperature vacuum. An all-silicon nitride Ball Bearing with a self-lubricating laminated cage (mainly composed of MoS2) and with MoS2-coated rings and balls proved superior in durability in a high-temperature vacuum environment. Compared with the hybrid bearings, the all-ceramic bearing was superior in both dynamic frictional torque and life.
Fourthly, they can be performed with poor lubrication. As ceramics are extremely hard and have outstanding wear resistance, they outperform other materials in bearing life without lubrication. According to a test, the steel bearing seized within a short period while the hybrid and all 627 Ceramic Bearings, though sustaining wear, did not. And the all-ceramic bearing sustained considerably less wear than the hybrid bearing, indicating that its endurance life is much longer.
Cermic Ball Bearing,Full Ceramic Bearing,Hybrid Ceramic Bearing,Self-Aligning Full Ceramic Ball Bearing
Shijiazhuang Longshu Mechanical & Electrical Equipment Trading Co., Ltd. , https://www.longsbearings.com