Vermiculite buffer/filler material, for dangerous goods packaging, 50 l sack, 4.5 kg. Supplied = assembled. Contents = 50 l. Material = mineral vermiculite. Temperature resistance = up to +1000 C. Material properties = non-flammable. Product type = accessories for rechargeable battery storage/transport containers. Buffer/filler material that binds liquids and absorbs impacts for dangerous goods packaging, such as storage/transport containers for rechargeable batteries. Can absorb up to 7 times its own weight. Temperature resistant to more than 1000 C, not conductive, non flammable, good thermal insulation. Inexpensive, reusable, no limits on storage, harmless to health. Vermiculite is a natural product and 100% mineral. Non flammable (certified non flammability, building material class A1, DIN 4102) Good insulating effect against heat and cold. Cannot burn - ideal for use as fire protection. Its special structure prevents any damage to objects sensitive to impacts, such as lithium batt