Its main constituents are cement, fly ash, vitrified microsphere, EPS grain, macromolecule binding agent and fiber.

其组成材料主要为：水泥、粉煤灰、玻化微珠、EPS颗粒、高分子粘结剂、纤维网格布等。

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As a good thermal material with super-low density, microsphere is often used to prepare light-weight cement slurry.

漂珠是优良的耐热超低密度材料，常用作配制低密度水泥浆。

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