How to Verify 3D Lenticular Printing Quality: A Buyer’s Technical Checklist With Lab Data
From lens density tests to UV resistance checks – a step-by-step guide to validating production quality without specialized tools.
Detailed Content
1. 3 Essential Quality Metrics
LPI Accuracy: Use a 10x magnifier to count lenses per inch (e.g., 60 LPI = 60 lines within 1”).
Color Fastness: Rub surface 50x with alcohol-soaked cloth; ≤5% color loss passes.
Frame Strength: Hang 5kg weight for 1hr; ≤2mm deformation required.
2. Lab Test Data
| Test | Standard | Our Result |
|---|---|---|
| Scratch Resistance | 500g load, 100 cycles | No visible marks |
| Water Immersion | 72hrs @ 25°C | 0% delamination |
3. Case Study: Amazon’s Vendor QC Process
Step 1: Randomly select 5% of batch for lens alignment check (tolerance: ±0.1mm).
Step 2: 24hr accelerated UV exposure to simulate 5-year outdoor use.
Penalty: $120/defective unit for non-compliance.
FAQ
"How to test without equipment?"
Answer: Use smartphone macro mode to check lens alignment."Warranty coverage?"
\Answer: 5-year warranty against yellowing/peeling.
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