4-layer 2oz Peelable Mask PCB 1. PCB P/N:2876414 2. Layer: 4L 3. Base material: FR-4 4. Board thickness: 1.6mm 5. Final copper: 70um 6. Surface finish: Immersion gold, Au: 3u” min. 7. Solder mask: Green 8. Profile: Routing + v-cut 9. E-test: 100% fixture 10. Special technology: 4 Layer 2oz peelable mask PCB 11. Quality report: solderability test, final inspection and microsection 12. Certificate: UL, ISO9001, ISO14001, RoHS 13. 100% E-test, outing outline