Layer of color pipe
Steel tube surface of both sides is galvanized layer. Polyester layer covered on this layer. This product has long term durability by dual protection of metal plated and resin coating. Product of majority in other company, resin coating layer is coated only outside surface, but our product have both sides resin coating.
Polyester layer Zinc layer
Zinc layer Polyester layer
Background of development
Color pipe is used in agricultural vinyl house in Japan. At this moment, the manufacture compared the resin that is polyester, polyethylene and epoxy. They choice the polyester depends on the weatherability. But almost past product is coated only outside surface. In case of using in agricultural vinyl house, tube easy to get the rust because moisture remains in the pipe. So we developed the coating product that has both sides polyester coating.
Kind of color
General our product color is white because protect to heat by sunshine and protect to deterioration for vinyl sheet. But if customer orders the other color, we can do it.