**Quality Inspection Report for White primed MDF Wood Trim**
**Product Category:** Decorative Wood Trim (Medium-Density Fiberboard Base)
**Country of Origin:** China
**Target Markets:** United States & Canada
**Inspection Date:** [Insert Date]
**Inspection Standards:**
– **ASTM D1037** (Standard Test Methods for Wood-Based Fiber/Composite Panels)
– **ASTM D3043** (Static Testing of Wood-Based Panels in Flexure)
– **CARB Phase II** (Formaldehyde Emissions)
– **CPSC 16 CFR Part 1303** (U.S. Lead Content Limits)
– **SOR/2016-193** (Canada Formaldehyde Emission Regulations)
– **ASTM D3359** (Coating Adhesion Testing)
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### **1. Product Description**
– **Model Number:** [Insert]
– **Dimensions:**
– Length: [Insert]
– Width/Thickness: [Insert]
– **Materials:**
– **Base Material:** Medium-Density Fiberboard (MDF), density ≥ 700 kg/m³.
– **Coating:** White mud-based decorative finish with UV-resistant acrylic topcoat.
– **Adhesive:** E0-grade, formaldehyde-free polyurethane adhesive.
– **Packaging:** Individually wrapped in anti-scratch film, bundled in reinforced corrugated cartons.
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### **2. Inspection Summary**
#### **2.1 MDF Strength Testing**
– **Density:** 725 kg/m³ (ASTM D1037 compliant).
– **Modulus of Rupture (MOR):** 25 MPa (ASTM D3043: minimum 22 MPa).
– **Internal Bond Strength:** 0.65 N/mm² (ASTM D1037: minimum 0.60 N/mm²).
– **Moisture Resistance:**
– **Thickness Swelling (24h immersion):** 6.5% (≤8% per ASTM D1037).
– **Cyclic Humidity Test (3 cycles):** No delamination or warping.
#### **2.2 Surface Treatment Inspection**
– **Coating Adhesion:**
– Cross-cut test (ASTM D3359): **Rating 5B** (no peeling).
– Tape pull test: No coating removal observed.
– **Surface Hardness:**
– Pencil hardness test: **3H** (no visible scratches).
– **Abrasion Resistance:**
– 1,000 cycles with 0000 steel wool (ASTM D4060): No wear-through.
– **Color Consistency:**
– Spectrophotometer ΔE value: **≤1.2** (batch-to-batch tolerance).
– Visual inspection: No visible color差异 under D65 light source.
– **Gloss Uniformity:**
– 60° gloss meter: **40±3 GU** across all samples.
#### **2.3 Chemical Compliance**
– **Formaldehyde Emission:** 0.02 ppm (CARB Phase II and SOR/2016-193 compliant).
– **Lead Content:** <45 ppm (CPSC 16 CFR Part 1303 compliant).
– **VOCs (Coating):** <40 g/L (compliant with U.S. EPA & Canada VOC limits).
#### **2.4 Packaging & Labeling**
– **Carton Compression Test:** Withstood 400 kg static load (ISTA 1A).
– **Moisture Barrier:** Passed 72-hour humidity chamber test (85% RH).
– **Labeling Compliance:**
– U.S.: “CARB Phase II Compliant,” “Made in China.”
– Canada: Bilingual (English/French) warnings: “For Indoor Use Only.”
– Batch code, production date, and recyclability symbols printed.
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### **3. Non-Conformities**
– **Minor Defect:** One carton had incomplete moisture barrier sealing.
– **Resolution:** Affected cartons re-packed; sealing process audited and improved.
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### **4. Conclusion**
The white primed MDF wood trim meets all strength, surface quality, and regulatory requirements for the U.S. and Canadian markets. Shipment is approved with no critical non-conformities.
**Inspector:** [Name/Signature]
**Approval:** [Quality Manager/Signature]
**Company Stamp:** [Insert]
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**Note:** This report is valid for 12 months. Retesting required for material/formula changes.
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如需进一步细化测试参数（如增加弯曲疲劳测试）或补充其他表面处理指标（如耐污性），请随时告知！
