Film faced plywood grading rules Manufacturer warranties plywood quality conformance to the requirements

Film faced plywood grading rules Manufacturer warranties plywood quality conformance to the requirements

 

Processing defect designation  

defects standard limitations for grades

With flush surface With wire mesh surface
1 2 1 2
1 2 3 4 5
1. Film crumbling on the edges Allowed by width not more than 5mm in case of its painting Allowed by width not more than 10mm in case of its painting Allowed by width not more than 5mm in case of its painting Allowed by width not more than 10mm in case of its painting
2. Film overlap Allowed in size 600*10mm not burned out and inappreciable Allowed Allowed Allowed
3. Inserted parts of the same type of film Allowed by area not more 25cm2 in amount of not more than 1pc, on the board side surface Allowed by area not more 25cm2 in amount of not more than 2pc per 1m2 of the board side surface Allowed by area not more 2cm2 in amount of not more than 1pc per 1m2 of the board side surface

 

Allowed by area not more 8cm2 in amount of not more than 1pc per 1cm2 of the board side surface

 

4. Inserted parts of another type of film Allowed by area not more 0,1cm2 in amount of not more than 1pc. on the board side surface Allowed by area not more 5cm2 in amount not more than 2pc per 1m2 of the board side surface Allowed by area not more 1cm2 in amount of not more than 1pc. per 1m2 of the board side surface Allowed by area not more 5cm2 in amount of not more than 1pc per 1m2 of the board side surface
5. Lack of film on the edge Allowed by width not more than 5mm in case of its painting Allowed by width not more than 10mm in case of its painting Allowed by width not more than 5mm in case of its painting Allowed by width not more than 10mm in case of its painting
6. Paint leaking onto board surface Allowed by width not more than 5mm Allowed by width not more than 10mm Allowed by width not more than 3mm Allowed by width not more than 6mm
7. Hollows out of films Allowed by area not more 0,1cm2 in amount not more than 1pc. on the board side surface Allowed by area not more 5cm2 in amount of not more than 1pc. on the board side surface Allowed by area not more 2cm2 in amount of not more than 1pc. on the board side surface Allowed
8. Local delamination of plywood panel (blisters) Not allowed
9. Cracks, film deflections Not allowed Allowed in size not more 2x100mm in amount of not more than 1pc. per 1m of board width in case of its painting Not allowed Allowed in size not more 2x100mm in amount of not more than 1pc. per 1m of board width in case of its painting
10. Stains out of open knots (in case of strong film bonding) Allowed Allowed Allowed in size not more 10x10mm in amount not more than 1pc. on the board side surface Allowed in size not more 30x60mm in amount of not more than 1pc. on the board side surface
11. Stains (marks) out of cracks in inner plies of plywood panel, roller marks Allowed in size not more 5x600mm  not burned out and inappreciable Allowed Not allowed Allowed in size not more 2x200mm in amount of  not more than 1pc. per 1m of board width
12. Whitish stains and stripes Allowed without limitation in case of strong bonding not having burnout Allowed Allowed slide Allowed
13. Burnt film (burnout) Not allowed Allowed Not allowed Allowed
14. Scratches Allowed in case of strong bonding without film damage Allowed in case of strong bonding without film damage Not allowed Allowed in size not more 2x200mm in amount of not more than 1pc. per 1m2 of board surface in case of its painting

 

15. Putty on the surface Allowed by area not more 25cm2 in amount of not more 1pc. on one surface in case of strong bonding not having burnout Allowed by area not more 25cm2 in amount of not more 2pc. on one surface in case of strong bonding not having burnout Not allowed Allowed by area not more 25cm2 in amount of not more 1pc. on one surface in case of strong bonding not having burnout
16. Burr Allowed in size 2*20mm in case of strong bonding not having burnout Allowed Allowed in size 2*20mm in case of strong bonding not having burnout Allowed
17. Plywood edge breakage Not allowed Not allowed Not allowed Not allowed
18. Blisters (film delamination out of face layer) Not allowed Not allowed Not allowed Not allowed
19. Burnt knots Allowed in size 10*10mm in amount of 1pc on surface

 

Allowed Allowed in size 10*10mm in amount of 1pc on surface

 

Allowed
20. Burnt inserts Not allowed Allowed in size not more 30*60mm in amount of 2pcs on surface

 

Not allowed Allowed in size not more 30*60mm in amount of 2pcs on surface
21. Rough peeling Allowed in size 10*10mm in amount of 1pc on surface

 

Allowed Not allowed Not allowed
22. Knots, inserts, hollows in the form of starved spot and blisters Not allowed Not allowed Not allowed Not allowed
23. Burnt stains  out of cracks, roller Not allowed Allowed in size not more 5х600mm not more 1pc per 1m of board width

 

Not allowed Allowed in size not more 5х600mm not more 1pc per 1m of board width

 

24. Spots of production type  Allowed without limitation in case of strong bonding not having burnout

 

Allowed Allowed without limitation in case of strong bonding not having burnout

 

Allowed
25. Chatter marks, undulation Allowed without limitation in case of strong bonding not having burnout Allowed Allowed without limitation in case of strong bonding not having burnout Allowed
26. Temperature splotches Allowed Allowed Allowed Allowed

 

Processing defect designation defects standard limitations for grades
With flush surface With wire mesh surface
3 4 4
1 2 3 5
1. Film crumbling on the edges Allowed by width not more than 5mm in case of its painting Allowed not more 50% of board surface

 

Allowed not more 50% of board surface

 

2. Film overlap Allowed Allowed Allowed
3. Inserted parts of the same type of film Allowed not more 10% of board surface

 

Allowed Allowed
4. Inserted parts of another type of film Allowed not more 10% of board surface

 

Allowed Allowed
5. Lack of film on the edge Allowed by width not more than 50mm in case of its painting Allowed not more than 50% of board area Allowed not more than 50% of board area
6. Paint leaking onto board surface Allowed by width not more than 50mm in case of its painting Allowed Allowed
7. Hollows out of films Allowed Allowed Allowed
8. Local delamination of plywood panel (blisters) Allowed in size 30*60mm in amount of 2pc. on surface  Allowed in size 200*200mm in amount of 4pc. on surface Allowed in size 200*200mm in amount of 4pc. on surface
9. Cracks, film deflections Allowed Allowed Allowed
10. Stains out of open knots (in case of strong film bonding)  

Allowed

 

Allowed

 

Allowed

11. Stains (marks) out of cracks in inner plies of plywood panel, roller marks  

Allowed

 

Allowed

 

Allowed

12. Whitish stains and stripes  

Allowed

 

Allowed

 

Allowed

13. Burnt film, burnout Allowed              Allowed Allowed
14. Scratches Allowed              Allowed Allowed
15. Putty on the surface Allowed 10% of board surface              Allowed Allowed
16. Burr Allowed              Allowed Allowed
17. Plywood edge breakage Allowed up to 20mm Allowed up to 100mm Allowed up to 100mm
18. Blisters (film delamination out of face layer)  Allowed in size 30*60mm in amount of 3pc. on surface Allowed in size 200*200mm in amount of 6pc. on surface Allowed in size 200*200mm in amount of 6pc. on surface
19. Burnt knots Allowed Allowed              Allowed
20. Burnt inserts Allowed Allowed              Allowed
21. Rough peeling Allowed Allowed              Allowed
22. Knots, inserts, hollows in the form of starved spot and blisters Allowed Allowed              Allowed
23. Burnt stains  out of cracks, roller Allowed Allowed              Allowed
24. Spots of production type Allowed Allowed              Allowed
25. Chatter marks, undulation Allowed Allowed              Allowed
26. Temperature splotches Allowed Allowed Allowed
27. Point like resin boiling Allowed Allowed Allowed

 

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