hollow glass bubbles for buoyancy control

{"cid":"91219424","title":"HN25HS Hollow Glass Microspheres for Buoyancy Materials 25-85\u00b5m","imgUrl":"https:\/\/img.chinax.com\/nimg\/1f\/91\/b8d995b3695420bca3cea564f607-200x200-1.jpg","attrs":{"Brand Name":"HAINUO","Model Number":"HN25HS","Place of Origin":"SHANXI CHINA","Product name":"HN25HS Glass Microspheres","Application":"Construction,Rubber, Aerospace Adhesives,Boyancy Materials.","Diameter":"25-85\u00b5m","Density":"0.15-1.0 g\/cm\u00b3","Compressive Strength":"750 psi","Chemical Composition":"SiO2, Na2O, CaO, MgO, Al2O3","Color":"White or transparent","True Density":"0.244-0.256","Bulk Density":"0.12-0.15","Dielectric Constant":"1.2-2.2\uff08100MHZ\uff09","Thermal Condictivity":"0.085"}}

{"cid":"91190548","title":"Lightweight Agent Hollow Glass Bubble Microspheres For Buoyancy Modules","imgUrl":"https:\/\/img.chinax.com\/nimg\/ab\/81\/a137b668ccfa0cb8a20964ad2780-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Zhengtong","Model Number":"H20-H60","Minimum Order Quantity":"Negotiable","Delivery Time":"3-10 days","Certification":"N\/A","Place of Origin":"Zhengzhou","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"15000 mts per year","Packaging Details":"Paper cartons+Pallet\uff1bTon bag","Product Name":"Hollow Glass Microspheres Glass Bubble","Appearance":"White Powder","True Density":"0.12 -0.70g\/c m3","Bulk Density":"0.10 -0.40g\/cm3","Materials":"Borosilicate glass","Compressive Strength":"4-125MPa\/500-18000 Psi","Particular Size":"2-120\u03bcm","Application":"Oilfield Cementing Mud\/ Drilling Fluid\uff1bThermal Insulation Paint\uff1bBuoyancy Modules and Emulsion explosive"}}