metal core board: 1. 2.0W aluminum base material 2. ... your reference: Product Categories:single/double sided board, multi-layer board, high density board, including MLB with blind/buried via ... imported or from local supplier), Aluminum base laminate, Metal core AluminumSurface Finish:Hot air Lev p lead free ... :Inner core thickness 0.15-1.5mm, finished board thickness 0.20-3mmCopper Foil Thickness:1/3 OZ ...