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TufDuct’s ducting products are made from 100% recycled polyethylene and are used for housing services including high voltage electrical cables, data cables, etc. for trains, buildings, tunnels, and other infrastructure applications. They are engineered and manufactured in Japan with a design life of 50 years. The products are halogen free and resistant to hydrochloric acid, seawater, ice melting agents, acid rain and many other corrosive substances. They are tested for drop, torsion and external pressures with and without lid on. These products are commonly installed in tunnels and enclosed area due to their flame-resistant properties and protects services in bushfire prone areas. They are also suitable for high-voltage applications with 180 kV normal insulation properties. The products can handle a large range of temperature (-30 °C to 80 °C). This EPD coveres five types of ducting series with six sizes per series. In general, the composition of all of the ducts is: ~65% recycled PE pellet, ~15% filler, ~20% additives (flame retardants etc.) and <1% steel bolts