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青岛市建材研究所研制的低温合成粉煤灰彩色水泥于1984年9月26日通过鉴定。低温合成粉煤灰彩色水泥是以低温合成粉煤灰水泥为基料,经掺加颜料而成。该水泥,是以75％左右的粉煤灰,掺入少量的激发剂,经水热合成、低温煅烧成熟料,加入适量的石膏,共同粉磨而成的新品种水泥。由于采用了一定的制作工艺,低温合成粉煤灰水泥具有一定的白度,所以,掺加颜料后可成彩色水泥。低温合成粉煤灰水泥具有快硬、早强、抗硫酸盐性能好、水化热低等优点。它具有典型的矾土水泥特点,但是
The low-temperature synthetic fly ash colored cement developed by the Qingdao Institute of Building Materials passed the appraisal on September 26, 1984. Low-temperature synthesis of fly ash color cement is based on the low-temperature synthesis of fly ash cement as base material, made by adding pigments. The cement is a new type of cement that is made of approximately 75% of fly ash, mixed with a small amount of activator, hydrothermally synthesized, low-temperature calcined clinker, and added appropriate amount of gypsum to be ground together. Due to the use of a certain production process, low-temperature fly ash cement has a certain degree of whiteness, so it can be colored cement after adding pigments. Low-temperature synthetic fly ash cement has the advantages of fast hardness, early strength, good sulfate resistance, and low heat of hydration. It has typical characteristics of alumina cement, but