1.Innocuous, odourless 2.Environment-protective and pollution-free 3.Huminityproof, anti-erosion PP ... is formed by PP Advantage: 1.Innocuous, odourless2.Environment-protective and pollution-free3.Huminityproof, anti-erosion4.Low density, anti-stretchi ... /steel board wrapping, cushion, rack, clapboard, soleplate, separator, etc)4.Protective board, used to protect the facility before buy-off, for ...