Due to the questions from our clients about the symbols for colour staining, we would like to point out that:
- The colour symbol is composed of three digit where the last is the number 1 (eg 11.8.1, 3.26.1) is the color without patina.
- The oclour sybbolcomposed of two digits (eg, 11.8, 3.26) or three digits, where the lasrt is a number other than 1 (eg, 11.18.2, 11.17.4) is the color with patina patina.