2. The outer layer is coated with silver
noncombustible embossed aluminum foil (with air-hole), heat insulation for the hard-orange retardant B1-extruded polystyrene foam level.

外层为带涂层的银色不燃压花铝箔(带透气孔),保温绝热层为橙色硬质难燃B1级挤塑式聚苯乙烯泡沫。
3. A colorless, odorless, clear liquid
noncombustible, thermostable, Very stable to various chemicals, having good lubricity &excellent dielectric properties, non poisonous &noncorrosive.

无色无臭透明液体,不燃烧,对热稳定,对各种化学品高度稳定,具有良好的润滑性和优良的介电性,无毒,无腐蚀性。