US PVC Foam Board Importer (Name Redacted for Commercial Confidentiality)
Inspection Purpose
Pre-container loading quality verification before export to the United States
Purchase Order Quantity
12 Containers
Supplier
Name Redacted for Commercial Confidentiality
Sampling Rule
Random sampling from each container; 5 pieces per container for routine inspection, 10 pieces per container for key performance testing (total 120 pieces for key testing, 60 pieces for routine inspection)
Inspection Standard
Compliant with US relevant industry standards (ASTM D792, ASTM D638, ASTM D256) and importer’s specified requirements
Cells uniform in size and distribution; no large voids (void diameter ≤ 2mm); no cell agglomeration
Pass/Fail/Not Applicable
Cross-section cut perpendicular to surface
Delamination Resistance
Peel test (tensile testing machine, ASTM D1876)
Peel strength ≥ 15 N/10mm; no delamination at interface between layers
Pass/Fail/Not Applicable
Applicable to multi-layer PVC foam boards
Internal Bond Strength
Compression shear test (ASTM D905)
Bond strength ≥ 0.8 MPa; no internal cracking during test
Pass/Fail/Not Applicable
Tested at room temperature and humidity
Moisture Content
Oven-drying method (105±2℃, 24 hours), weight loss calculation
Moisture content ≤ 1.0%; no moisture accumulation in internal cells
Pass/Fail/Not Applicable
Prevents mold growth during ocean transportation
6. Laboratory Testing (Compliant with US Standards)
Inspection Item
Test Standard
Test Method
Acceptance Criteria
Test Result
Remarks
Tensile Strength & Elongation at Break
ASTM D638
Tensile testing machine, crosshead speed 5mm/min
Tensile strength ≥ 15 MPa; elongation at break ≥ 10%
Pass/Fail/Not Applicable
Tested in machine direction (MD) and transverse direction (TD)
Izod Impact Strength (Notched)
ASTM D256
Impact testing machine, notch type V
Impact strength ≥ 2.5 kJ/m²
Pass/Fail/Not Applicable
No brittle fracture allowed
Compressive Strength
ASTM D695
Compression testing machine, load speed 1.3mm/min
Compressive strength ≥ 20 MPa; no permanent deformation after unloading (≤ 2%)
Pass/Fail/Not Applicable
Tested until 10% deformation
Water Absorption
ASTM D570
Immerse sample in distilled water (23±2℃) for 24 hours, calculate weight gain
Water absorption ≤ 0.5% (by weight)
Pass/Fail/Not Applicable
Critical for outdoor application in US
Heat Resistance
ASTM D648
Heat distortion test (0.45 MPa load), temperature rise 2℃/min
Heat distortion temperature (HDT) ≥ 60℃
Pass/Fail/Not Applicable
Adapts to US climate variations
UV Resistance (Outdoor Grade)
ASTM G154
Xenon arc aging test (1000 hours), simulate US outdoor UV exposure
No obvious fading (ΔE ≤ 3.0); no cracking or brittleness after test
Pass/Fail/Not Applicable
Applicable to outdoor-use PVC foam boards
Chemical Resistance
ASTM D543
Immerse sample in common chemicals (dilute acid, alkali, oil) for 48 hours
No discoloration, swelling, or corrosion; weight change ≤ ±1%
Pass/Fail/Not Applicable
Chemicals tested: 5% HCl, 5% NaOH, mineral oil
Restricted Substances (TSCA Compliance)
US TSCA Inventory
Laboratory analysis (ICP-MS, GC-MS)
No substances listed in TSCA Section 6(h) or restricted by EPA; heavy metal content meets US limits (Pb ≤ 90ppm, Cd ≤ 100ppm)
Pass/Fail/Not Applicable
Full restricted substances list provided in appendix
7. Functional Performance Inspection
Inspection Item
Inspection Method
Acceptance Criteria
Test Result
Remarks
Machinability (Cutting, Drilling)
Cut with circular saw, drill with standard drill bit; check cutting/drilling quality
Smooth cutting edge, no chipping or cracking; drill holes neat, no burrs or deformation
Pass/Fail/Not Applicable
Simulate on-site processing by US end-users
Adhesion Compatibility
Bond with common US adhesives (PVC solvent cement, polyurethane adhesive)
Adhesive bond strength ≥ 10 N/10mm; no detachment after 72 hours of curing
Pass/Fail/Not Applicable
Adhesives used: [Redacted] (US market common types)
Load-bearing Capacity
Static load test: place uniform load on board surface for 24 hours
No permanent deformation or breakage under specified load ([Redacted] kg/m²)
Pass/Fail/Not Applicable
Load specified by importer based on end-use
Sound Insulation (if applicable)
Sound transmission loss test (ASTM E90)
Sound insulation value ≥ 25 dB at 500-2000 Hz
Pass/Fail/Not Applicable
Applicable to sound insulation-grade PVC foam boards
Fire Retardancy (if applicable)
Flame spread test (ASTM E84)
Flame spread index ≤ 25; no dripping of burning material
Pass/Fail/Not Applicable
Compliant with US building fire codes
8. Packaging & Labeling Inspection
Inspection Item
Inspection Method
Acceptance Criteria
Test Result
Remarks
Packaging Material
Visual inspection + wear test
Waterproof packaging (PE film + corrugated cardboard); packaging material sturdy, no damage
Pass/Fail/Not Applicable
Suitable for ocean transportation (moisture, shock resistance)
Packaging Integrity
Visual inspection of each package
Packages sealed tightly; no loose boards; no damage to packaging during handling
Pass/Fail/Not Applicable
Each package contains [Redacted] pieces (as per purchase order)
Labeling Compliance (US Import Requirements)
Visual inspection of package labels
Labels in English; include product name (PVC Foam Board), grade, specification, batch number, production date, country of origin (China), warning signs (if applicable); no false labeling
Pass/Fail/Not Applicable
Labels meet US CBP labeling requirements
Pallet Compatibility
Visual inspection + stacking test
Boards stacked on standard US pallets (48×40 inches); stacking height ≤ 1.5m; no board damage or pallet deformation
Consistent in material, appearance, color, and performance across all 12 containers; no batch-to-batch variation
Pass/Fail/Not Applicable
All boards from the same production batch
Container Loading Space Fit
Simulate loading (measure container inner size vs. package size)
Packages fit into 20ft/40ft containers (as per purchase order); no overloading or loose stacking
Pass/Fail/Not Applicable
Container type: [Redacted] (20ft/40ft)
Loading Stability
Simulate transportation vibration (vibration test machine)
No package shifting, board damage, or packaging breakage after vibration test
Pass/Fail/Not Applicable
Vibration test parameters: 5-500Hz, 30 minutes
10. Other Supplementary Inspection
Inspection Item
Inspection Method
Acceptance Criteria
Test Result
Remarks
Production Batch Documentation
Review supplier’s production records
Complete production records (raw material batch, production process parameters, quality control records); records consistent with inspection results
Pass/Fail/Not Applicable
Records retained for US import verification
Odor Test
Sensory test (23±2℃, 50±5% RH)
No strong irritating odor; odor intensity ≤ Grade 2 (on 5-point scale)
Pass/Fail/Not Applicable
Compliant with US indoor air quality requirements
Shelf Life Verification
Review supplier’s shelf life statement + accelerated aging test
Shelf life ≥ 5 years under proper storage; no performance degradation after accelerated aging (6 months simulation)
Pass/Fail/Not Applicable
Storage conditions: dry, cool, away from direct sunlight
11. Inspection Summary & Conclusion
Inspection Summary: This inspection covers 12 containers of PVC foam boards to be exported to the United States, including comprehensive tests on material, appearance, dimensional specifications, internal quality, laboratory performance, functionality, packaging, and batch consistency. A total of 180 samples were tested (60 for routine inspection, 120 for key performance testing) in accordance with US relevant standards and importer’s requirements.
Inspection Conclusion: [Pass/Fail] – All tested items meet/fail the specified acceptance criteria. The products are/not suitable for container loading and export to the United States.
Non-conforming Items (if any): [List non-conforming items, causes, and corrective actions taken by the supplier]
12. Inspector Certification
Inspector’s Signature
________________________
Date
January 2, 2025
Inspector’s Full Name
MR.YUAN
Inspection Qualification No.
[Redacted]
Note: All customer and supplier information is redacted due to commercial confidentiality. This report is for the commissioned US importer and company blog publication only, and shall not be used for other purposes without written authorization.
