天美传奇传媒官网免费下载_国产免费aⅴ片在线播放_秋霞韩国鲁丝片成人无码_最新国产第一页第二页

Alkali-free accelerator

Application and products > Railway tunnel works > Alkali-free accelerator

Alkali-free accelerator

Application field

Shotcrete for road, railway and traffic tunnel projects.

Product features 

Environmentally friendly,chlorine-free, alkali-free, non-corrosive steel bars, no loss of strength in the later stage of concrete, and low rebound.