Quality:
1. DKD/DKKD
  3 sides clear.
  the outlayers/lamellas are solid and in vertical grain or half vertical grain. One can allow an occasional defect not exceding a diameter of 10mm located to one edge only.
  Outer layers can allow little discoloration.
  All middlelayers are to be edgeglued, optimized and fingerjointed, the 75/86mm to consists of 2 lamellas, the 105/115/120/125mm consist of 3-4 lamellas, the 145mm consist of 3-5 lamellas. the two extenal strips width is min 30mm. the finger-jointed strips length is 200mm and more.
  Max. Bowspring is 1mm/linm.

2. KKK/AKA
  3 sides clear.
  the outlayers/lamellas are fingerjointe and in vertical grain or half vertical grain. One can allow an occasional defect not exceding a diameter of 10mm located to one edge only. the finger-jointed strips length is 600mm and more.
  Outer layers can allow little discoloration.
  All middlelayers are to be edgeglued, optimized and fingerjointed, the 75/86mm to consist of 2 lamellas, the 105/115/120/125mm consists of 3-4 lamellas, and the 145mm consist of 3-5 lamellas. the two extenal strips width is min 30mm. the finger-jointed strips length is 200mm and more.
  Max. Bowspring is 1mm/linm.

Glue: DIN EN 204
Moisture Content: 12-14% (Klin drying)
Tolarance: the thickness and width +1mm
               the length +10mm