| environ. | каменноугольная смола | Japanese black (This preservative, which is very
difficult to remove, has many names: Japanese Black,
Japanese Varnish, Coal tar, Brunswick Black, Black
Coating etc. Its precise composition varies greatly, but is
always based on bitumen, a final distillate of crude oil.: As mentioned above, Japanese Black is used as a
preservative on steel welding flanges, T-pieces, welding
sockets, reducers and various types of welding bends.  vecom.nl Dimohod) |
