A class of substances that change the rate of chemical reactions without consuming themselves in the reaction.
Solder is a general term for metal alloy materials used to fill welds, surfacing layers and brazing joints. Including wire, electrode, solder, etc.
In recent years, the lithium battery market has been growing rapidly with policy support, and the demand for cathode materials is increasing. In order to avoid safety accidents and environmental pollution of lithium batteries, material identification, quality control and recycling of lithium battery cathode materials have become a major bottleneck in the lithium battery industry.
RoHS certification is also called environmental protection certification, is a mandatory standard made by the European Union, the first version of July 1, 2006 began to be formally implemented, the current directive 2011/65/EU.
It is mainly used to standardize the material and process standards of electronic and electrical products, making it more conducive to human health and environmental protection.
The limits of hazardous substances are set, such as lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and phthalates in electrical and electronic products. Exceeding the limits will not be allowed to enter the EU market.
