what,s the best coating?

[skb182]

dear sir,s
hi
what,s the best coating type for underground pipline exterior?PE tape,FBE+3d PE,coltar,Bitumen enamel,liquid epoxy,liquid polyuretan,polyurea Or ...?
accordance to which standard or research?

 

[unclesyd]

I would contact a company like Denso and present your problem.

http://www.densona.com/Index.htm