龙飞助剂
Longfei auxiliary agent
Company News
2020-11-18 What is retarder

What is retarder:Retarder refers to the admixture that can delay the setting time of concrete and has no adverse effect on the later strength development of concrete. There are four main types of r...

‍The addition of grinding aids has a significant effect on the water evaporation rate of slurry and the surface tension of pore solution.The delay of grinding aid for cracking time mainly lies in i...

At present, the grinding mechanism of grinding aids is still under research and exploration. The grinding mechanism and theory accepted by the academic community are summarized as follows.(1) Stren...

How does grinding aid work and why does it help grinding?The research shows that the effect of grinding aid: adding an appropriate amount of grinding aid to Bai in the grinding process can reduce D...

Prev 1 2 3 4 Next

CONTACT US

E-mail: li.long@dongeshengda.com Tel: +86-635-3275188-8201/+86-18706352888 Website: www.longfeitech.com/ Address: No. 2, Zhuojiang Road, Economic Development Zone, Dong'e County, Liaocheng City, Shandong Province.y, Shandong Province

website qrcode

Scan and view mobile website