Light brick or light block: refers to a small bulk density and has a compressive strength of brick or block. Such as: aerated concrete block (also known as aerated blocks, Yitong tiles). Scope: apply to hotel walls, entertainment club KTV box walls, office partitions, etc. 2 Fire: 700 degrees of light brick refractory thickness, is a Class A non-combustible refractory body, 100mm thick wall of fire resistance of 225 minutes, 200mm thick wall of fire resistance of 480 minutes. What is light brick, light brick, a booming building materials provided by a booming Guangdong Building Materials Co. A booming Guangdong Building Materials Co., Ltd. (shop1395766632317.1688.com/)(www.foshanshuini.com) strong, credible, in Foshan, Guangdong cement and related products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a booming building materials into the brilliant and you work for a better future!