Wood Mouldings Quality Checklist Product: Wood Mouldings | Standard: General Export Quality 1. Raw Material & Moisture Content Wood species matches order specification Moisture content: 8%–12% (compliant with destination climate) No rot, wormholes, decay or dead knots Sound knots only, size within allowed tolerance 2. Dimension & Straightness Length, width, thickness per drawing/order Linear tolerance: ±0.5mm No bending, warping or …

Wood moulding grading rules—primarily standardized by the Moulding & Millwork Producers Association (MMPA)—classify wood based on allowable natural defects and machining quality. The standard grading system defines N-Grade (for transparent finishes) and P-Grade (for painted finishes) to ensure millwork meets your exact application needs. [1, 2, 3, 4] WMMPA Standard Moulding Grades N-Grade (Natural or Transparent Finish): The highest premium …

Common Finish Types for US Premium Grade Kitchen Cabinets (Industry mainstream for AWI Premium cabinets, categorized by formula & appearance, with features & application scenarios) 1. Polyurethane Finish (Most Popular) 1.1 Water-Based Polyurethane Features: Low VOC, eco-friendly; clear natural wood tone, no yellowing over time; smooth satin/matte texture; good abrasion & moisture resistance. Pros: Safe for indoor use, easy to …