印度求购陶瓷球: I require samples for testing of following specifications and material. A. SIlicon nitirde and nano BN balls l ( 5mm diameter and 10 mm diameter) 100 Numbers each. B. Composites of Nano SIlicon nitirde and 5 wt % BN in the form of discs: (25 mm diameter x 10 mm thickess) and ( 50 mm diameter x 10 mm thickness) 50 numbers each. C Composites of Nano SIlicon nitirde and 2 wt % BN in the form of discs: (25 mm diameter x 10 mm thickess) and ( 50 mm diameter x 10 mm thickness) 10 numbers each. D Composites of Nano SIlicon nitirde and 10 wt % BN in the form of discs: (25 mm diameter x 10 mm thickess) and ( 50 mm diameter x 10 mm thickness) 10 numbers each. E Composites of Nano SiALON and 5 wt % BN in the form of discs: (25 mm diameter x 10 mm thickess) and ( 50 mm diameter x 10 mm thickness) 50 numbers each. With Kind Regards M F Wani ( PhD, I I T Delhi) Professor & Dean,NIT Srinagar, Kashmir ( India) Research Areas: Tribology of Advanced ceramics, LCD,Sustainable Design Cell: +9419581540