closed pore perlite overcome traditional expansion perlite bibulous rate and low strength of large, fluidity, and the characteristics of the poor, outspread expansion perlite application fields.
闭孔珍珠巖克服了传统膨胀珍珠巖吸水率大、强度低、流动性差的特点,延伸了膨胀珍珠巖的应用领域。
the used lightweight aggregate is lightweight ceramsite, floating bead, vermiculite, expansion perlite or other lightweight fireproof raw material.