... filters with greater than or equal to 95% of high-density polyethylene (HDPE), in the production of raw materials by adding ... toughness, anti-bending, anti-aging, anti-flame retardant, anti-high temperature, acid and alkali, a strong ability to withstand bending ... to fade and so onInstallation and maintenance - simple, efficient, high quality, low price! Flexible network, light weight, simple and ...