Plywood Grading Rules :Part 10 Film Faced Plywood Processing Defects Terms and Definitions

Plywood Grading Rules :Part 10 Film Faced Plywood Processing Defects Terms and Definitions

December 27th,2018

Source from http://baza.sveza.ru/ .

Plywood Grading Rules :Part 9 Film Faced Plywood Processing Defects Terms and Definitions
Plywood Grading Rules :Part 9 Film Faced Plywood Processing Defects Terms and Definitions

TYPE OF CRITERIA EXTRA
quality
STANDARD
quality
ECONOMY
quality
1 Panel squaredness (EN 315) Allowed 1 mm per running meter of panel length Allowed 1 mm per running meter of panel length Allowed 1 mm per running meter of panel length
2 Slight color variation of film allowed allowed allowed
3 Imprints of the INNER veneers (knots or splits) onto the panel surface allowed up to:
– maximum 2 per m² for knots with width 50mm
– maximum 2 per m² for splits with width 5mm
allowed up to:
– maximum 2 per m² for knots with width 80mm
– maximum 5 per m² for splits with width 10mm
allowed
4 Missing film not allowed allowed up to 1% of the surface allowed up to 2% of the surface
5 Burnt or unglued film (grey-brown appearance) running along the edge of the panel surface Along the short side of the panel: stripe up to 10mm wide
Along the long side of the panel: stripe up to 5mm wide
In addition to Extra, the following is allowed:
– Spots: maximum 2 per m² with max. diamater of 80mm
– Small stripes: maximum 2 per m² with max. width of 10mm
– Sanding marks under film – up to 1% per panel
allowed up to 2% of the surface
6 Swelling of top veneer layer not allowed not allowed allowed up to 1 per m² with diameter of 200mm
7 Panel straightness (EN 315) Allowed up to 2mm per running meter from the diagonal of the panel Allowed up to 2mm per running meter from the diagonal of the panel Allowed up to 2mm per running meter from the diagonal of the panel
8 Missing face/inner veneers from panel´s edge Face veneer: not allowed
Inner veneer: up to 3mm depth
Face veneer: not allowed
Inner veneer: up to 5mm depth
slight soft edge allowed
9 Small dry overlap on face veneer up to 3mm width up to 5mm width allowed

Special THanks to the http://www.sveza.ru/crn_fls/svnew2_pr/15303-14194-303201-sto_lbff_angl_yazyk_146201-sto_lam_eng_revised_(dlya_sayta).pdf , visit them to get the original exact info .

 

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