Which companies produce photovoltaic silver paste? The details are as follows:
1. Dehao Runda Co., Ltd. : It is one of the leading suppliers of photovoltaic materials in China. Its silver paste photovoltaic products are mainly used in the production of solar cells. .
2. Qingyuan Co., Ltd. : It is an enterprise specializing in the research and development of new energy materials and photovoltaic energy conversion systems. Its photovoltaic silver paste products are one of the company's main products.
Are the silver paste and aluminum paste used for screen printing solar cells toxic?
Solar cells must be classified as other waste HW49
Printed silver paste is classified as waste of photosensitive materials HW16
Waste of aluminum paste depends on the processe production and can be classified as surface HW17 Waste disposal
It is recommended to refer to the “National List of Hazardous Wastes” for a clearer classification!
In the short term, it will not cause much harm to the human body. If you work in this environment for a long time (eg: a screen printing machine operator), this should be possible. , because silver paste and aluminum paste are heavy metals. After being mixed and printed in a blender, heavy metal ions will be produced in the air of your workspace and enter the human body through respiration. varying degrees of damage to your health, such as infertility, skin diseases, etc. Of course, the possibility of Alzheimer's disease, as you mentioned, is also possible;
In fact, as long as protective measures are taken well, there is no problem. When you work,keep the printing machine door and the oven door. Close it and let the volatile metal ions be extracted by ventilation, cover the lid when stirring, and do not leave the bottle; contain the slurry in a place without ventilation at any time, so that the chemical components contained in the slurry can evaporate as little as possible in your working environment. Everything will be fine in the environment ;