Properties :-
i) It is soft, spongy, porous, low density.
ii) Its thermal & electrical conductivity is low.
iii) It is quite shock - proof.
iv) It is quite strong through extremely light.
v) It is chemically inert & resists ageing.
vi) It can be used upto 550 C.
vii) It is white in colour and water proof.
Applications :-
1) It is used for decorative purposes.
2) It is used as ideal packing material for packing glassware, delicate electronic & electrical equipments.
3) It is used as thermal insulator in refrigerators & air conditioners.
4) It is widely used for preparation of various scientific models.
5) It is used for protecting screens in radars.
6) It is used for storing ice, ice creams & medicines.
7) It is used as a float for swimming.