Detailed Product Description 1. Layer: 1-302. Board finished thickness:0.21mm-7.0mm3. Material: FR-4,CEM-1,CEM-3, High TG, FR4Halogen Free, Rogers4. Max. finished board size: 23-25(580mm*900mm)5. Min. ldrilled hole size: 3mil(0.075mm)6. Min. line width: 3mil(0.075mm)Min. Line spacing: 3mil(0.075mm)7. Surface finish/treatment: HASL/HASL lead free, HAL,8. Copper thickness in hole: >25.0um.(>1mil)9. ...