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喷射混凝土添加剂MBT公司Mastersundersrechnoloyy）研制出一种不含碱的液态速凝剂。商品名牌号为MBTMEYtoSA140，145和540的混凝土添加剂对喷射混凝土的最终强度影响不大。由于速凝剂中不含强碱性物质，其工作环境更为安全，不会因接触传统的碱性成腐蚀性添加剂而伤害皮肤。ME
Spray concrete additive MBT company Mastersundersrechnoloyy) developed a liquid accelerator alkali free. Concrete brand names MBTMEYtoSA140, 145 and 540 of the concrete additives on the final strength of shotcrete has little effect. As quick-setting agent does not contain strong alkaline substances, the working environment is safer and will not be hurt by the contact with traditional alkaline caustic additives. ME