... 3.2Ra Tolerance 0.1mm grain size uniform Material Ag Silver Brand MAT-CN Origin Nanchang Jiangxi Specifications Size ... etc. Product uses industrial-grade coating, experiments or research level Ag target Silver target, electronics, optoelectronics, military, decorative, functional film ... items via other courier, the decision of us is final. Delivery time: EMS, UPS, DHL, FedEx and TNT express shipping ...