helium leak rate 10 9 cc sec metallized alumina ceramic

{"cid":"91200183","title":"Custom Metalized Ceramic Tubes with High Tensile Strength > 20,000 psi and Low Helium Leak Rate < 10-9 cc\/sec","imgUrl":"https:\/\/img.chinax.com\/nimg\/80\/50\/6e253d8d2011af1457612772a595-200x200-1.jpg","attrs":{"Price":"10USD\/PC","Brand Name":"ZG","Model Number":"MS","Minimum Order Quantity":"1 PC","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","Supply Ability":"1000PCS","Packaging Details":"Strong wooden box for Global shipping"}}