1. Basic QC Inspection General Information Report No.: QC-WBP-UG-20260425-001 Inspection Entrusting Party: U.S. Professional Birch …
Read More »CHINESE Birch plywood GRADE RULES, inspection checklist ,quality control ,sourcing service ,Testing ,quality assurance
GradeDescriptionB/C or B/2 GradeFairly uniform in color with slight contrasts allowed. Small conspicuous burls and pin knots allowed with a minimum number of scattered sound or repaired knots. Both faces are typically sanded smooth.The “C” back grade is typically more on the C minus to D plus grade or compatible to a #1 and #2 mix back grade on ANSI/HPVA …
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