Be made of high-purity ceramic powder, the ceramic tube is formed by dry pressing or cold isostatic pressing, and sintered under high temperature, then precision machined. With many advantages like abrasion resistance, corrosion resistance, high hardness, high toughness and low friction coefficient, it is widely used in medical equipment, precision machinery, laser, metrology and inspection equipment. It can work in the conditions of acid and alkali for a long time, and the maximum temperature can up to 1600℃. Here is the characteristics of alumina ceramic with different purity.Spray Granulation →ceramic powder → Forming → Blank Sintering → Rough grinding → CNC Machining → Fine Grinding → Dimension Inspection → Cleaning → PackingPlace of Origin: Hunan, China Material: Alumina Ceramic HS Code: 85471000 Supply Ability: 2000 pcs per month Lead time: 3-4 weeks Package: Corrugated box, foam, carton Others: Customization service availableProfessional online service team, any mail or message will reply within 24 hours. We have a strong team provide wholehearted service to customer at any time. We insist on Customer is Supreme, Staff toward Happiness. Put the Quality as the first consideration; OEM & OPM are acceptable. Advanced production equipment, strict quality testing and control system to make sure superior quality. Competitive price: we are a professional auto parts manufacturer in China, there is no middleman's profit, and you can get the most competitive price from us. Good quality: good quality can be guaranteed, it will help you keep the market share well. Fast delivery time: we have our own factory and professional manufacturer, which save your time to discuss with trading companies. We will try our best to meet your request.1. How long is your production lead time? It depends on product and order qty. Normally, it takes us 25 days for an order with MOQ qty. 2. When can I get the quotation? We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation, please call us or tell us in your mail, so that we could regard your inquiry priority.