Item description from the sellerItem description from the seller
As the α-phase ultra-fine Al2O3 is a high performance material of far infrared emission, it is widely used to produce artificial ruby, sapphire, yttrium aluminum garnet and also used in the field of fiber fabric products and high pressure sodium lamp as far-infrared emission and thermal insulation materials.
Condition
New. A brand-new, unused, unopened, undamaged item (including handmade items). See the seller's listing for full details. See all item conditions