silicon nitride riser tube 1400 hv hardness

{"cid":"91200183","title":"Silicon Nitride Riser Tube","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/0c\/e9\/e67099222f38ab426b0a3af31d7b-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"ZG","Model Number":"MS","Minimum Order Quantity":"1 piece","Delivery Time":"5-8 working days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram, MoneyGram","Supply Ability":"10000 pieces per month","Packaging Details":"Strong wooden box for global shipping","Material":"Silicon Nitride Si3N4","Size":"Customized","Color":"Black","Features":"high hardness; high corrosion resistance; low density; stability in a wide range of temperatures; precision machining capability."}}