Strona korzysta z plików cookies w celu realizacji usług i zgodnie z Polityką Plików Cookies. Możesz określić warunki przechowywania lub dostępu do plików cookies w Twojej przeglądarce.
EN | DE | PL | BIP

Quality classes

Kenntnisse über die Sorten von Sperrholz, die Ihnen helfen, besser wählen Sie die Platten für die geplante Anwendung und die Erwartungen der Qualität des Endprodukts wird.

VENEERED PLYWOOD QUALITY CLASSES

Quality class II (left side) admits the following defects:
- sound, intergrown, light knots (up to 10 mm) and dark knots (up to 5 mm)
- false heartwood (up to 1/3rd of the surface)
- shakes plugged with putty (up to 1 mm) and not plugged on the edges of plywood
- accurate and inaccurate bonding on the edges of plywood
- outer overlaps on the edges of plywood
- brown stains (1/10th of the surface)
- glue percolations

Quality class I (right side) admits the following defects:
- single, small, sound, light and intergrown knots
- glue percolations (up to 3 mm)

 

QUALITY CLASS OF BLOCKBOARD

Quality class I (right side) admits the following defects:
- Fully and partially intergrown knots
- Single knot holes plugged with plug patch in matched colour
- Narrow shakes (up to 3 mm) plugged with putty

Quality class II (right and left side) admits the following defects:
- Sound, fully and partially intergrown knots
- Single not intergrown knots
- Few inner overlaps
- Shakes (up to 6 mm) plugged with putty.