Asset 5icon CGM HIGH-PERFORMANCE BACKUP BOARD Product catalog Asset 5icon Specs Application: Excellent for HDI, MLB drilling.Thickness: 2.50mmThickness Tolerance: ±0.15mm Size Tolerance: ±4mm, Density: 900±50 kg/m3 Hardness: CGM 80±5 Shore D Warpage: ≤ 0.6% Of diagonal Standard Size: 37″x49″ ; 41″x49″; 43″x49″ Asset 5icon Features 1. Higher surface hardness against HDF and minimize drilling burs.2. Offer good quality and commercial cost.