Permitted 100 cm²/m²
a
i
ii
Permitted 100 cm²/m²
Permitted 100 cm²/m²
Quality requirements for filmfaced plywood
Plywood quality grades
The quality grade of laminated plywood is defined by the type and quantity of visible defects.
Plywood quality grades
The quality grade of laminated plywood is defined by the type and quantity of visible defects.
FORM | TEX
PATTERNS
COLORED | TRANSPARENT
Riga Form (dark brown, black), Riga Tex (dark, brown, black).
Riga Heksa Plus, Riga Heksa, Riga Trans, Riga Dot, Riga Foot, Riga Diamond, Riga Rhomb, Riga Pattern+, Riga Smooth Mesh, Riga Superwire, Riga Frost, Riga Timber
Riga Form (light brown, silver grey, etc.), Riga Mel, Riga Preprime, Riga Paint
Categories of defects
Plywood delamination
Matt surface
Scorched laminate as strips and spots
Damaged pattern, uneven pattern
Displacement of wire mesh or pattern
Film overlaps as dark strips
Film folds
Lack of film or film delamination after laminating
Glued laminate residues on the surface
Other color dust pressed on the surface
Imprints, if film is not damaged
Ridges, bumps
Scratches
Diffuse strips on surface (variations in color tone or gloss)
Lack of veneer on edges
Edge sealing paint on laminated surface
Minor rough spots
Mechanical defects
Notches
Defect
Grade
Form
Tex
Patterns
Colored
Transparent
Plywood delamination
Matt surface
a
i
Permitted > 50 % of surface area
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
Not permitted on pattern face.
Permitted on reverse face:
Strips: < 5 mm in width,
1 pc/width m;
Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm
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
Damaged pattern, uneven pattern
a
i
Permitted.
Strips: < 10 mm in width, 1 pc/width m;
Spots: < Ø 30 mm, 1 pc/m² or unlimited, if < Ø 10 mm
Permitted.
Strips: < 5 mm in width, 1 pc/width m;
Spots: < Ø 20 mm, 1 pc/m² or unlimited, if < Ø 10 mm
ii
Displacement of wire mesh or pattern
a
i
ii
Film overlaps as dark strips
a
Not permitted.
If grade A on both faces, permitted on one face firmly glued < 10 mm in width
Not permitted on pattern face.
Permitted on reverse face firmly glued < 10 mm in width
Not permitted.
If grade A on both faces, permitted on one face firmly glued < 10 mm in width
i
Permitted without limitations firmly glued < 20 mm in width
Not permitted on pattern face.
Permitted on reverse face firmly glued < 20 mm in width
Not permitted.
If grade I on both faces, permitted on one face firmly glued < 20 mm in width
ii
Film folds
a
i
Permitted, < 10 % of surface area
ii
Lack of film or film delamination after laminating
a
i
ii
Permitted, on a 1/3 of the sheet on one face
Permitted, on a 1/3 of the sheet on one face
Permitted, on a 1/3 of the sheet on one face
Glued laminate residues on the surface
a
Not permitted.
If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface
Not permitted on pattern face.
Permitted on reverse face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface
Not permitted.
If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface
i
Permitted < 10 cm²/m² if residues are in the same color as surface
Permitted < 10 cm²/m² if residues are in the same color as surface
Permitted < 10 cm²/m² if residues are in the same color as surface
ii
Other color dust pressed on the surface
a
Not permitted.
If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface
Not permitted on pattern face.
Permitted on reverse face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface
Not permitted.
If grade A on both faces, permitted on one face: < 3 pcs, if residues are (< 1 cm²) in the same color as surface
i
Permitted < 10 cm²/m² if residues are in the same color as surface
Permitted < 10 cm²/m² if residues are in the same color as surface
Permitted < 10 cm²/m² if residues are in the same color as surface
ii
Imprints, if film is not damaged
a
Not permitted.
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
Not permitted on pattern face.
Permitted on reverse face: < 1 cm²/m², if the width of an imprint < 3 mm and the sum of the length < 30 mm/m²
Not permitted on pattern face.
Permitted on reverse face: < 1 cm²/m², if the width of an imprint < 3 mm and the sum of the length < 30 mm/m²
i
Permitted < 2,5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m²
Permitted < 2,5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m²
Permitted < 2,5 cm²/m², if the width of an imprint < 5 mm and the sum of the length < 50 mm/m²
ii
Ridges, bumps
a
Not permitted.
If grade A on both faces, permitted on one face.
Spots: < Ø 15 mm, 1 pc/m² or unlimited, if < Ø 5 mm
Not permitted on pattern face.
Permitted on reverse face.
Spots: < Ø 10 mm, 1 pc/m² or unlimited, if < Ø 5 mm
Not permitted.
If grade A on both faces, permitted on one face.
Spots: < Ø 10mm, 1 pc/m² or unlimited, if < Ø 5 mm
i
Permitted.
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
Permitted.
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
Permitted.
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
Scratches
a
Not permitted.
If grade A on both faces, permitted minor scratches on one face (< 2 pcs), if the laminate is not scratched through
Not permitted on pattern face.
Permitted minor scratches on reverse face (< 2 pcs), if the laminate is not scratched through
Not permitted.
If grade A on both faces, permitted minor scratches on one face (< 2 pcs), if the laminate is not scratched through
i
Permitted, if the laminate is not scratched through
Permitted, if the laminate is not scratched through
Permitted, if the laminate is not scratched through
ii
Diffuse strips on surface (variations in color tone or gloss)
a
Not permitted. If grade A on both faces, permitted minor on one face
Not permitted on pattern face. Permitted minor on reverse face
Not permitted. If grade A on both faces, permitted minor on one face
i
Permitted minor
Permitted minor
Permitted minor
ii
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
Edges shall be firm
Edge sealing paint on laminated surface
a
Permitted ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even
Permitted ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even
Permitted ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even
i
Permitted ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even
Permitted ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even
Permitted ≤ 5 mm paint overlap on the laminated surface. Paint film on the edges shall be even
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
Permitted < 125 cm² over the surface
Permitted < 125 cm² over the surface
Permitted < 125 cm² over the surface
ii
Mechanical defects
a
i
ii
Notches
a
i
ii
Permitted one with a length < 10 cm
Permitted one with a length < 10 cm
Permitted one with a length < 10 cm