The price of imported VOC standard gas has remained high, but in some special industries, we still need to use imported environmental standard gas, imported VOC standard gas, there are TO14, TO15, TO17 and other gases, such as in the environmental industry, petrochemical Industry is required to use TO14, TO15, TO17 and other gases. 

VOC Standard Gas refers to the total name of the standard gas for testing organic volatiles in the environment. The domestic standard gas for VOC is in line with the domestic standard gas. At present, there are few domestic manufacturers of standard gas, and most of the standard gas for testing VOC comes from China, domestic reference is also the United States and Europe's standards. 

The production of VOC Environmental Standard Gas in China is mainly based on the specifications of China's national laws and regulations. At present, with the continuous improvement of China's scientific and technological level, people's requirements for the environment have become increasingly high, our later period to the environment standard gas demand will be more and more big.

VOC has a serious threat to the human body and Volatile organic compound, do environmental testing companies, VOC gas quality must be strict, to detect the VOC standard gas in the air. 

At present, VOC standard gas used in the industry is mainly environmental class, oil class, third-party detection class of gas.