タイトルまたは説明

1.The product is from hydrocarbons with innocuity, insipidity, white and light character
2.During combustion, PP produces only CO2 and water, this has little effect on the environment compared with other plastics
3.The electrets in PP, which enhance the capture perfomance of air filters, are stable
4. PP is a fire-resistanct material which can be used to make UL*2 grade filters
5. It is as well a water repellent material thus less troublesome with microorganisms
6. Acid and alkali resistant, with high melting point(******4)℃ and stable