PNC -3型混凝土流化膨胀剂是以山东省地方资源为主要原料研制成功的一种新型外加剂。它对混凝土除具有良好的流化、膨胀作用外 ,还具有减水、缓凝、坍落度损失慢、抗裂防渗和抗冻融性能好等多种特点 ,不需再复合其他外加剂即可配制出优质的流态膨胀混凝土。 PNC-3 concrete fluid expansion agent is a new type of admixture developed successfully with local resources in Shandong Province as the main raw material. It not only has a good fluidization and expansion effect on concrete, but also has many characteristics such as water reduction, retarding, slump loss, anti-crack anti-seepage and anti-freeze-thaw performance. It does not need to compound other admixtures. It can prepare high-quality flowable expansive concrete.