Is the halogen-free epoxy sheet really halogen-free?

In order to respond to the national sustainable development strategy, and people's increasing awareness of environmental protection, most of today's epoxy fiberglass sheet board is halogen-free. Many friends will question the meaning of halogen-free is that it doesn’t include halogen? Today as a professional manufacturer of non-halogen epoxy sheet like fr4 board, I will give you a detailed explanation.

First of all, what does halogen-free mean? Is it really halogen-free?

Halogen is a material containing four elements like fluorine (F), chlorine (CL), bromine (BR), iodine (I). When burning, it will release a large number of chlorine gas, and it has a strong toxin. The halogen-free requirement is not to be truly halogen-free, so halogen content is required at a standard, and the various industry standards are not the same. For example, the halogen-free requirement of IT products in Europe is that the halogen content is below 800PPM.

Next, what is the advantages of halogen-free epoxy fiberglass sheet?

Hogen-free epoxy fiberglass sheet has good environmental performance. With the continuous destruction of China's atmosphere, today's haze and PM2.5 have become very common, which have serious damage to people's respiratory tract and lungs. While the halogen-free epoxy fiberglass sheet does not contain harmful substances harmful to the body and the environment. And it is also suitable for a variety of electrical appliances and electronic products with high performance requirements, and it can be said to be the Gospel of mankind.

Finally, some international standards of halogen-free are briefly introduced.

(1) International halogen-free standard IEC 61249-2-21 requirements, chlorine bromine single item is less than 900ppm, and the sum is less than 1500ppm;

(2) Japanese electronics industry packaging definition standard and method is "halogen-free" - bromine < 0.09wt % (900ppm) - chlorine < 0.09wt % (900ppm).

Halogen-free epoxy fiberglass sheet board not only takes into account the economic development, but also it is conducive to environmental protection, really a win-win situation. After reading this article, I think you must have your own answer as to whether or not halogen-free is really halogen-free.