上海大中玛哈攀建材公司生产一种彩色混凝土瓦,该瓦不像粘土瓦和陶瓷瓦须用粘土和燃料熔烧,而是用混凝土及颜料制成。瓦的强度高,生产2天后单片瓦的抗折力达1.5～2.0kN,平均吸水率仅6％,瓦体不渗漏,瓦片间的搭接处有隙缝可将雨水落入其中。该瓦制作时颜料与水泥浆结合在一起,因而不致于褪色。采用该彩色瓦增加了建筑物的美感。这种不用粘土、燃料制成的瓦,在 Shanghai Dazhong Mahahabhang Building Materials Co., Ltd. produces a colored concrete tile that is not made of clay and fuel but is made of concrete and pigment unlike clay tiles and ceramic tiles. The strength of the tile is high. After 2 days of production, the single piece tile has a flexural strength of 1.5-2.0 kN. The average water absorption rate is only 6%. The tile body does not leak. The gap between the tiles has a gap where the rainwater can fall into it. When the tile is made, the pigment is combined with the cement slurry so that it does not fade. The use of this color tile increases the beauty of the building. This kind of tile made without clay or fuel is