China Rotoun Plastic Manufacturer, Supplier, Factory

Our company's "yellow card" (UL certified card) family has added a new member. As mentioned in the previous video, our material LLD610P has passed the HB level yellow card certification. This time, our material LLD302V0P has passed the V0 level yellow card certification, which is a heavyweight UL yellow card certification.

We usually believe that rotational molding products can meet their design requirements by increasing the wall thickness of the product when under pressure. But after our research, we found that this is not the case. Come and see what's going on!

In 2021, the country put forward major strategic decisions of "carbon neutrality" and "carbon peak". Hydrogen, as a clean energy source with zero pollution, has been pushed into a rapid development channel and its application in daily production and life is becoming increasingly widespread. However, the problem of lightweighting of domestic hydrogen storage tanks urgently needs to be solved!

On the afternoon of January 18, 2025, Zhejiang Rotoun Plastic Technology Corp held a significant board meeting, attended by all board members and subsidiary general managers, aimed at reviewing past work, planning future development directions, and jointly exploring Zhejiang Rotoun Plastic Technology Corp's response strategies in the complex and ever-changing market environment.

At present, in the selection of inserts, most of them use: 1. brass; 2. Zinc aluminum alloy; 3. Stainless steel (anti-corrosion, corrosion-resistant);Defect Solution | Rolling Plastic Fuel Tank Science Popularization -2- Principle and Solution of Coating Problem ② Temperature and Embedded Parts (Expert Article) At present, in the selection of inserts, most of them use: 1. brass; 2. Zinc aluminum alloy; 3. Stainless steel (anti-corrosion, corrosion-resistant); The basic components of embedded assembly are: 1. Embedded screws; 2. Mold cavity wall; 3. Embedded components; Material selection for inserts: 1. Good thermal conductivity; 2. Sufficient mechanical strength (details will be elaborated in the next section).

With the global emphasis on energy conservation and emission reduction, plastic fuel tanks are gradually replacing traditional metal ones due to their light weight and high efficiency.