Layer | Color | Thickness (μm) |
---|---|---|
1 | Red | 35 |
2 | Dark brown | 90 |
3 | Light brown | 180 |
On the surface of this layer we can observe big yellow grain may be as an old decoration | ||
4 | Light borwn | 175 |
On the surface of this layer we can observe the same yellow grains from Layer 3 | ||
5 | Grey-black | 500 |