Feature●【Aerogel Packing】30ml Aerogel samples put in sealed plastic bottle.●【Aerogel Sample Size】We provide Aerogel in blocks form, size from particle to 1.3 inch pieces.●【What is Aerogel?】This Aerogel made by Silicon dioxide, ultralight material derived from a gel, nicknames include frozen smoke, solid smoke, solid air, solid cloud, or blue smoke.●【Properties of Aerogel】Directly from manufactory, produced by SCD method (supercritical drying method), material that is 99.8% air, Aerogel are good thermal insulators, and hydrophobic.●【Fragile Aerogel】Name by gel but Aerogel are fragile, touch to feel like rigid foams, when you press Aerogel will break to particle.Description