| 摘要 |
Multilayer coating which in use is subjected to a gradually proceeding wear or deterioration, such as an antifouling coating on a ship's bottom or an other surface which is intended to be in contact with water, comprising at least two in sequence in the thickness direction, from a substrate surface counted, arranged layers of coating materials, wherein at least two of said layers exhibit from an other of said at least two layers deviating characteristics, such as composition and/or color or other signal characteristics.
|
