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Qingdao Aokai New Material Co. ,Ltd cooperate with the China Building Materials Academy（CBMA）, With the aim to common flame retardant wall insulation defects A new wall thermal insulation construction material ,of which the flame retardant property can reach the A1 rank , is jointly developed by our company and CBMA ”, can be used for the insulation and radiation protection material:“expanded perlite series Anti electromagnetic radiation,electromagnetic shielding, insulation board. ” With the he