Si3n4: 1, corrosion-resistant strong acid, alkali, seawater can also be used. 2, high temperature, ultra-wear-resistant, silicon nitride ceramic ball at 8000c, the strength, Hardness almost unchanged. 3, non-magnetic, insulation, magnetic field can also be used, non-conductive. 4, light weight, lighter than the average material bearing 1/4, the density of 3.20g / cm3. 5, high rigidity, high strength, the hardness of the bearing than the double, elastic Modulus of about 1/3. 6, high-speed rotation, rotating body (ball) light weight, small centrifugal rotation. 7, silicon nitride ceramic ball linear expansion coefficient of 3.2 ã? 10-6 / k, almost 1/4 of bearing steel. 8, silicon nitride ceramic ball bearing self-lubricating can solve the lubrication caused By pollution and add inconvenience. 9, drug resistance, mechanical strength, damage toughness, low thermal conductivity. Application areas: composite bearings, mechanical seals, chemical pumps, nozzles, Auto parts, heat exchanger parts, vacuum equipment and other harsh environments. Product, Silicon nitride balls(si3n4) Diameter, Φ0.5mm80.0mm Grade, G5-g25 Faq: Q1. Can i have a sample order ? A: yes, we welcome sample order to test and check quality. Mixed samples are acceptable. Q2. What about the production time? A:sample needs 3-5 days, mass production time needs 2-3 weeks for order quantity more than Q3. How do you ship the goods and how long does it take to arrive? A: we usually ship by dhl, ups, fedex or tnt. It usually takes 3-5 days to arrive. Airline and sea shipping also optional. Q4. How to proceed an order ? Firstly let us know your requirements or application. Secondly we quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly we arrange the production.
