Filmfaced plywood grades
The quality grade of filmfaced plywood is defined by type and quantity of visible defects.
The limitations described refer to the following Riga Wood filmfaced plywood products:
FORM | PATTERNS | COLORED |
---|---|---|
TEX | TRANSPARENT | |
Riga Form (dark brown, black) | Riga Heksa Plus | Riga Form (light brown, silver grey etc.) |
Riga Tex (dark brown, black) | Riga Heksa | Riga Mel |
Riga Trans | Riga Preprime | |
Riga Dot | Riga Paint | |
Riga Foot | ||
Riga Diamond | ||
Riga Rhomb | ||
Riga Smooth Mesh | ||
Riga Superwire | ||
Riga Frost | ||
Riga Timber |
Categories of defects
DEFECT | GRADE | FORM | PATTERNS | COLORED |
---|---|---|---|---|
TEX | TRANSPARENT | |||
Damaged pattern, uneven pattern | ||||
A | ||||
I | Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
||
II | ||||
Diffuse strips on surface (variations in color tone or gloss) | ||||
A | If grade A on both faces, permitted minor on one face |
Permitted minor on reverse face |
If grade A on both faces, permitted minor on one face |
|
I | Minor |
Minor |
Minor |
|
II | ||||
Displacement of wire mesh or pattern | ||||
A | ||||
I | ||||
II | ||||
Edge sealing paint on laminated surface | ||||
A | ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
|
I | ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
|
II | ||||
Film folds | ||||
A | ||||
I | < 10% of surface area |
|||
II | ||||
Film overlaps as dark strips | ||||
A | If grade A on both faces, permitted on one face firmly glued < 10 mm in width |
On pattern face. Permitted on reverse face firmly glued < 10 mm in width |
If grade A on both faces, permitted on one face firmly glued < 10 mm in width |
|
I | Without limitations firmly glued < 20 mm in width |
On pattern face. Permitted on reverse face firmly glued < 20 mm in width |
If grade I on both faces, permitted on one face firmly glued < 20 mm in width |
|
II | ||||
Glued laminate residues on the surface | ||||
A | If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface |
Permitted on reverse face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface |
If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface |
|
I | < 10 cm²/m² if residues are in the same color as surface |
< 10 cm²/m² if residues are in the same color as surface |
< 10 cm²/m² if residues are in the same color as surface |
|
II | ||||
Imprints, if film is not damaged | ||||
A | If grade A on both faces, permitted on one face: < 1 cm²/m², if the width of an imprint < 3 mm and the sum of the length < 30 mm/m² |
Permitted on reverse face: < 1 cm²/m² if the width of an imprint < 3 mm and the sum of the length < 30 mm/m² |
If grade A on both faces, permitted on one face: < 1 cm²/m², if the width of an imprint < 3 mm and the sum of the length < 30 mm/m² |
|
I | < 2.5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m² |
< 2.5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m² |
< 2.5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m² |
|
II | ||||
Lack of film or film delamination after laminating | ||||
A | ||||
I | ||||
II | On a 1/3 of the sheet on one face |
On a 1/3 of the sheet on one face |
On a 1/3 of the sheet on one face |
|
Lack of veneer on edges | ||||
A | ||||
I | Permitted in one layer of veneer with a depth < 3 mm. Edges shall be firm if standard size |
Permitted in one layer of veneer with a depth < 3 mm. Edges shall be firm if standard size |
Permitted in one layer of veneer with a depth < 3 mm. Edges shall be firm if standard size |
|
II | Edges shall be firm |
Edges shall be firm |
Saplākšņa malām jābūt stingrām |
|
Matt surface | ||||
A | ||||
I | > 50% of surface area |
|||
II | ||||
Mechanical defects | ||||
A | ||||
I | ||||
II | ||||
Minor rough spots | ||||
A | If grade A on both faces, permitted on one face: < 25 cm² over the surface, with separate spots < 5 cm² |
Permitted on reverse face: < 25 cm² over the surface, with separate spots < 5 cm² |
If grade A on both faces, permitted on one face: < 25 cm² over the surface, with separate spots < 5 cm² |
|
I | < 125 cm² over the surface |
<125cm² over the surface |
<125cm² over the surface |
|
II | ||||
Notches | ||||
A | ||||
I | ||||
II | One with a length < 10 cm |
One with a length < 10 cm |
One with a length < 10 cm |
|
Other color dust pressed on the surface | ||||
A | If grade A on both faces, permitted on one face: < 5% of surface area |
Permitted on reverse face: < 5% of surface area |
If grade A on both sides, then permitted on one side: < 5% of surface area |
|
I | < 10% of surface area |
< 10% of surface area |
< 10% of surface area |
|
II | ||||
Plywood delamination | ||||
A | ||||
I | ||||
II | 100 cm²/m² |
100 cm²/m² |
100 cm²/m² |
|
Ridges, bumps | ||||
A | If grade A on both faces, permitted on one face. Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
Permitted on reverse face. Spots: < Ø 10 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
If grade A on both faces, permitted on one face. Spots: < Ø 10 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
|
I | Strips: < 10 mm in width, < 300 mm in length and 1 pc/width m; < 5 mm in width, unlimited length, < 1 pc/width m. Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 5 mm in width, < 300 mm in length and 1 pc/width m; < 3 mm in width, unlimited length, < 1 pc/width m. Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
Strips: < 3 mm in width, < 200 mm in length and 1 pc/width m. Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
|
II | ||||
Scorched laminate as strips and spots | ||||
A | If grade A on both faces, permitted on one face: Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Permitted on reverse face: Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø20mm, 1 pc/m² or unlimited, if < Ø10mm |
If grade A on both faces, permitted on one face: Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
|
I | Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
|
II | ||||
Scratches | ||||
A | If grade A on both faces, permitted minor scratches on one face (< 2 pcs), if the laminate is not scratched through |
Permitted minor scratches on reverse face (< 2 pcs), if the laminate is not scratched through |
If grade A on both faces, permitted minor scratches on one face (< 2 pcs), if the laminate is not scratched through |
|
I | If the laminate is not scratched through |
If the laminate is not scratched through |
If the laminate is not scratched through |
|
II | ||||
Total number of defects | ||||
A | There shall be no defects on one face.
Reverse face < 2 categories of defects |
There shall be no defects on one face.
Reverse face < 2 categories of defects |
There shall be no defects on one face.
Reverse face < 2 categories of defects |
|
I | One face < 2 categories of defects. Reverse face < 5 categories of defects | One face < 2 categories of defects. Reverse face < 5 categories of defects | One face < 2 categories of defects. Reverse face < 5 categories of defects | |
II | Unlimited | Unlimited | Unlimited |
GRADE | FORM | PATTERNS | COLORED |
---|---|---|---|
TEX | TRANSPARENT | ||
DEFECT | |||
Damaged pattern, uneven pattern | |||
A | |||
I | Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
|
II | |||
Diffuse strips on surface (variations in color tone or gloss) | |||
A | If grade A on both faces, permitted minor on one face |
Permitted minor on reverse face |
If grade A on both faces, permitted minor on one face |
I | Minor |
Minor |
Minor |
II | |||
Displacement of wire mesh or pattern | |||
A | |||
I | |||
II | |||
Edge sealing paint on laminated surface | |||
A | ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
I | ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even |
II | |||
Film folds | |||
A | |||
I | < 10% of surface area |
||
II | |||
Film overlaps as dark strips | |||
A | If grade A on both faces, permitted on one face firmly glued < 10 mm in width |
On pattern face. Permitted on reverse face firmly glued < 10 mm in width |
If grade A on both faces, permitted on one face firmly glued < 10 mm in width |
I | Without limitations firmly glued < 20 mm in width |
On pattern face. Permitted on reverse face firmly glued < 20 mm in width |
If grade I on both faces, permitted on one face firmly glued < 20 mm in width |
II | |||
Glued laminate residues on the surface | |||
A | If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface |
Permitted on reverse face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface |
If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface |
I | < 10 cm²/m² if residues are in the same color as surface |
< 10 cm²/m² if residues are in the same color as surface |
< 10 cm²/m² if residues are in the same color as surface |
II | |||
Imprints, if film is not damaged | |||
A | If grade A on both faces, permitted on one face: < 1 cm²/m², if the width of an imprint < 3 mm and the sum of the length < 30 mm/m² |
Permitted on reverse face: < 1 cm²/m² if the width of an imprint < 3 mm and the sum of the length < 30 mm/m² |
If grade A on both faces, permitted on one face: < 1 cm²/m², if the width of an imprint < 3 mm and the sum of the length < 30 mm/m² |
I | < 2.5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m² |
< 2.5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m² |
< 2.5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m² |
II | |||
Lack of film or film delamination after laminating | |||
A | |||
I | |||
II | On a 1/3 of the sheet on one face |
On a 1/3 of the sheet on one face |
On a 1/3 of the sheet on one face |
Lack of veneer on edges | |||
A | |||
I | Permitted in one layer of veneer with a depth < 3 mm. Edges shall be firm if standard size |
Permitted in one layer of veneer with a depth < 3 mm. Edges shall be firm if standard size |
Permitted in one layer of veneer with a depth < 3 mm. Edges shall be firm if standard size |
II | Edges shall be firm |
Edges shall be firm |
Saplākšņa malām jābūt stingrām |
Matt surface | |||
A | |||
I | > 50% of surface area |
||
II | |||
Mechanical defects | |||
A | |||
I | |||
II | |||
Minor rough spots | |||
A | If grade A on both faces, permitted on one face: < 25 cm² over the surface, with separate spots < 5 cm² |
Permitted on reverse face: < 25 cm² over the surface, with separate spots < 5 cm² |
If grade A on both faces, permitted on one face: < 25 cm² over the surface, with separate spots < 5 cm² |
I | < 125 cm² over the surface |
<125cm² over the surface |
<125cm² over the surface |
II | |||
Notches | |||
A | |||
I | |||
II | One with a length < 10 cm |
One with a length < 10 cm |
One with a length < 10 cm |
Other color dust pressed on the surface | |||
A | If grade A on both faces, permitted on one face: < 5% of surface area |
Permitted on reverse face: < 5% of surface area |
If grade A on both sides, then permitted on one side: < 5% of surface area |
I | < 10% of surface area |
< 10% of surface area |
< 10% of surface area |
II | |||
Plywood delamination | |||
A | |||
I | |||
II | 100 cm²/m² |
100 cm²/m² |
100 cm²/m² |
Ridges, bumps | |||
A | If grade A on both faces, permitted on one face. Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
Permitted on reverse face. Spots: < Ø 10 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
If grade A on both faces, permitted on one face. Spots: < Ø 10 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
I | Strips: < 10 mm in width, < 300 mm in length and 1 pc/width m; < 5 mm in width, unlimited length, < 1 pc/width m. Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 5 mm in width, < 300 mm in length and 1 pc/width m; < 3 mm in width, unlimited length, < 1 pc/width m. Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
Strips: < 3 mm in width, < 200 mm in length and 1 pc/width m. Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm |
II | |||
Scorched laminate as strips and spots | |||
A | If grade A on both faces, permitted on one face: Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Permitted on reverse face: Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø20mm, 1 pc/m² or unlimited, if < Ø10mm |
If grade A on both faces, permitted on one face: Strips: < 5 mm in width, 1 pc/width m; Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
I | Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
Strips: < 10 mm in width, 1 pc/width m; Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm |
II | |||
Scratches | |||
A | If grade A on both faces, permitted minor scratches on one face (< 2 pcs), if the laminate is not scratched through |
Permitted minor scratches on reverse face (< 2 pcs), if the laminate is not scratched through |
If grade A on both faces, permitted minor scratches on one face (< 2 pcs), if the laminate is not scratched through |
I | If the laminate is not scratched through |
If the laminate is not scratched through |
If the laminate is not scratched through |
II | |||
Total number of defects | |||
A | There shall be no defects on one face.
Reverse face < 2 categories of defects |
There shall be no defects on one face.
Reverse face < 2 categories of defects |
There shall be no defects on one face.
Reverse face < 2 categories of defects |
I | One face < 2 categories of defects. Reverse face < 5 categories of defects | One face < 2 categories of defects. Reverse face < 5 categories of defects | One face < 2 categories of defects. Reverse face < 5 categories of defects |
II | Unlimited | Unlimited | Unlimited |