Quality Control of PlywoodEach plywood plant has resident quality control personnel to help ensure that the finished panel willmeet the requirements sƟpulated in the manufacturing standards; CSA O121 and CSA O151 . Veneerthickness, moisture control for veneer drying, panel grading, and glue bonding are examples of stages ofmanufacture that are conƟnuously monitored in quality control.In Canada, the vast majority of …
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October, 2022
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29 October
Baltic Birch Grading Standards
Baltic Birch Plywood is graded with a face and back grade designation. The following face/back veneer grades are available from our warehouse facilities:B/BB: Whole piece face and back veneer. Face veneers are considered clear and free of defects witha light-uniform color. Back allows 3-6 color matched patches, which are oval in shape and egg sized.Inner cores are solid birch single …
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29 October
FANCY PLYWOOD FACE VENEER MATCHING TYPES
Book Matching DescriptionVisual EffectAlternating pieces of veneer from a flitch are turned over, so that adjacent leaves are “opened” as two pages in a book.Veneer joints match, creating a symmetrical pattern. Yields maximum continuity of grain. Prominent characteristics will ascend or descend across the match. Tight and loose side faces alternate, which can yield a noticeable color variation. Proper finishing …
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29 October
ANSI Plywood, Grading Rules AND Descriptions, Grading Standards,inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance,QC,GRADERS,INSPECTORS
ANSI Plywood Grading Standards & Descriptions FACE GRADE: Applications A Where excellent appearance is very important as in cabinets and furniture.B Where the natural characteristics and appearance of the species are desirable.CD Provide sound surfaces but allow unlimited color variation. Repairs in increasing size ranges allowed respectively from C to D. Suitable for applications where surface will be hidden or …
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29 October
FACE GRADES, Birch , Ash,Maple,Poplar Plywood, Grading Rules AND Descriptions, Grading Standards,inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance,QC,GRADERS,INSPECTORS
FACE GRADES: Birch | Ash | Maple | Poplar Veneer: Rotary-Cut | Plain-Sliced | Quarter-Cut Pin Knots & Small Burls Combined AverageConspicuous Burls MaximumSound & Repaired KnotsRepaired KnotsMineral StreaksVineRough CutBlended Repaired TaperingAMAX 10 (4 UP TO 1/4″)3/8″NONOSLIGHTSLIGHTNOTWO 1/16″ X 6″BMAX 16 (8 UP TO 1/4″)1/2″44 TO 1/8″SLIGHTYESSLIGHTFOUR 1/8″ X 8″CNO LIMITNO LIMIT84 TO 1/2″YESYESTWO 8″ AREASFOUR 3/16″ X 8″DNO LIMITNO LIMIT105 …
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29 October
Wood face ,back and core Veneer Cutting & Slicing Characteristics
Rotary Cut Rotary veneer is produced by centering the log in a lathe and turning it against a broad cutting knife which is set into the log at a slight angle. Rotary cut veneer can be sufficiently wide to provide full sheet (one piece) faces. Follows annual growth rings creating a bold variegated grain. Cutting DiagramSample Plain Sliced (Flat Cut) …
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29 October
BACK GRADES,Red and White Oak pLYWOOD,Grading Rules AND Descriptions, Grading Standards,inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance,QC,GRADERS,INSPECTORS
BACK GRADES Sound Tight KnotsKnotholesRepaired KnotsSound Tight BurlsMineral/SapRough CutSplits or Joints1MAX 16 (UP TO 1/4″)NONOYESYES/YESTWO 8″ DIA. AREASSIX 1/8″ X 12″ REPAIRED2MAX 16 (8 UP TO 1/4″)ALL REPAIRED8 TO 1/2″YESYES/YESYESSIX 3/16″ X 12″ REPAIRED3MAX 16 (8 UP TO 1/4″)ALL 3/8″ TO 1″NO(1)YESYES/YESYES3/8″ X 1/4 LOP4YESUP TO 4″NOYESYES/YESYES1″ TO 1/4 LOP, 1/2″ TO 1/2 LOP, 1/4″ TO FULL LOP (1) May …
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29 October
FACE GRADES,Red and White Oak pLYWOOD,Grading Rules AND Descriptions, Grading Standards,inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance,QC,GRADERS,INSPECTORS
FACE GRADES: Red and White Oak Veneer: Rotary-Cut | Plain-Sliced | Quarter-Cut Pin Knots & Small Burls Combined AverageSound & Repaired KnotsRepaired KnotsMineral StreaksSapBlended Repaired Tapering Hairline SplitsAMAX 12 (4 UP TO 1/4″)NONOSLIGHT5%(1)TWO 1/16″ X 6″BMAX 24 (16 UP TO 1/4″)44 TO 1/8″FEW TO 8″UP TO 20%(2)FOUR 1/8″ X 8″CNO LIMIT84 TO 1/2″YES TO 12″YESFOUR 3/16″ X 8″ (1) No sap …
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29 October
Birch Plywood,BIRCH VENEER Grading Rules, Grading Standards,inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance,QC,GRADERS,INSPECTORS
Plywood Grading There are many varieties of plywood on the market which are designed to meet different requirements and environmental specifications. Understanding the difference between these characteristics is key to ensuring you choose the best product for your project. This simple guide will help you determine which options are available to you and how to choose the right plywood for …
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29 October
Birch Plywood Grading Rules, Grading Standards,inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance,QC,GRADERS,INSPECTORS
Grading Standards Baltic Birch Plywood is graded with a face and back grade designation. The following face/back veneer grades are available from our warehouse facilities: B/BB: Single piece face and back veneer. Face veneers are considered clear and free of defects with a light-uniform color. The back allows 3-6 color-matched patches, which are oval in shape and egg-sized. Inner cores are …
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