You can rest assured to buy Nextgen Lanthanum Hexaboride Ring from our factory and we will offer you the best after-sale service and timely delivery. Lanthanum Boride, also called Lanthanum Hexaboride or LaB6, is an inorganic chemical and refractory ceramic material. Nextgen Advanced Materials supplies lanthanum boride rings with high quality and fast delivery, and customized products are available.