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我们长期合作开发的S_2型早强减水剂与S_3型特种早强减水剂已在吴县外加剂厂正式投产,并已在1989年底通过技术鉴定。专家鉴定认为:掺S_2型早强减水剂的砼性能符合国家标准GB8076-87规定的一级品各项指标;S_3型特种早强减水剂与常用品种早强减水剂相比,对提高掺粉煤灰的水泥和砼的早期强度更为明显;S_3型特种早强减少剂的配方设计有一定的独创性,它的研制成功,对粉煤灰在水泥和砼中的应用具有积极的促进作用;经济效益和社会效益显著。
Our long-term cooperatively developed S_2 early strength water reducer and S_3 special early strength water reducer have been formally put into production at the Wu County Admixture Factory and passed the technical appraisal at the end of 1989. The expert appraisal believes that the performance of the S2 type early strength superplasticizer blended with the national standard GB8076-87 specifications of the first grade product; S_3 special early strength water reducer compared with commonly used early strength superplasticizer, It is more obvious that the early strength of cement and concrete with fly ash is improved; the formula design of S_3 special early strength reducer has a certain originality, its development is successful, and it has positive effect on the application of fly ash in cement and concrete. The promotion effect; economic and social benefits are significant.