1. Toxicity and pollution levels differences in chemical drum accessories
Trivalent: the price of trivalent chromium is higher, but the toxicity is low, only 1% of hexavalent chromium and the passivation effect is also good.
It can meet the requirement of 72-hour salt spray white rust less than 5%, the harm of chromium 3 is small, and the pollution degree of chromium 3 plating is reduced.
Hexavalent: Hexavalent chromium passivation process has many advantages, such as high corrosion resistance, self-healing ability of self-repair corrosion resistance, can easily passivation out of silver, blue and white, colorful, military green, black and other colors, raw material sources are wide and cheap.
However, hexavalent chromium is a carcinogen and has serious harm to the environment and human health.
Related drum accessories:
2. The urgency of trivalent passivation:
The European Union signed a decree in Brussels in 2003 banning the use of hexavalent chromium in vehicle materials and parts from 1 January 2003.
Since August 13, 2004, the use of hexavalent chromium passivation process has been stopped in China's production of export products.
Short comments: As one of professional drum closures suppliers in China, we provide customers with drum closure, Drum Locking clamp, Drum Locking bolt and other products of CR3+ galvanizing, welcome to choose and buy.
Advantages of Plastic BarrelsApril 18, 2023Plastic drums, also known as polyethylene drums, are ideal containers for storing chemicals, foods, medicines and other items. Before using them, you need to know some important things to ensure that ...view
Performance and Function of Sealing Materials for Steel Drum Cap SealsMarch 13, 2023With the development of the country's export-oriented economy, the volume of commodity exports is constantly increasing, and various steel drum cap seal manufacturers attach great importance to im...view
Troubleshooting Common Issues with Barrel Ring ClampsFebruary 5, 2024When it comes to securing barrels and drums, the barrel ring clamp is a vital tool. These clamps play a crucial role in maintaining the integrity and stability of the container, ensuring its contents ...view
The Development Trend and Use of Closed Steel DrumsAugust 7, 2023With the further deepening of China's opening up to the outside world, the national standard steel drum has been restricted in export packaging. In recent years, a number of steel drum enterprises...view
Proper Installation and Removal Techniques for Drum Bung SealsJanuary 31, 2024In industries where hazardous substances are stored and transported, the importance of ensuring safe and secure containment cannot be overstated. Drum bung seals play a vital role in maintaining the i...view
Strengthen The Cost Management And Control Measures Of Steel Drum Packaging EnterprisesJuly 1, 20221. Strengthen all staff cost management awarenessIn the enterprise cost control and management should follow the principle of people-oriented, enterprise staff's comprehensive quality, cost manage...view
EN
ko 
fr 
de 
es 
it 
ru 
pt 
ar 
vi 
th 
