| 摘要 |
<p>The invention relates to the use of an additive which comprises 60% of lactose at the most and 40% of milk protein at the most, and the milk protein includes 70 to 90% of casein and 10 to 30% of whey protein as well as, optionally, 1.5% of fat at the most, for a hydraulic binder to obtain a higher strength of the building materials produced using the hydraulic binder, wherein the mass ratio additive to hydraulic binder is between 1:130 and 1:62500.</p> |
