The core can adopts inorganic substance (magnesium, plasterboard), rock wool, aluminum silicate wool or magnesium.

芯材可采用无机质（玻镁板、石膏板）、岩棉、 硅酸铝棉或玻镁棉。

youdao

By deep Processing of kaolin, clay of jiaobao mineral, mineral wool fibre of aluminum silicate, a new kind of energy-saving material, can be obtained.

利用高岭土、粘土或焦宝石矿进行深度加工，可生产新型节能材料——多硅酸铝矿棉纤维。

youdao

Fire rock wool board, waterproof rock wool board, stick the aluminum foil rock wool board, high density rock wool board, rock wool insulation board.

火岩棉板、防水岩棉板、贴铝箔岩棉板、高密度岩棉板、岩棉保温板。

youdao

Aluminum foil as wrinkle remover: To get wrinkles out of silk, wool, and rayon clothes that can't take direct heat, place a piece of foil on your ironing board, then lay the garment flat over it.

CNN: New uses for Thanksgiving items