混凝土早强剂主要成份CaCL 2 、强度助剂等,因含氯成份故只在无钢筋结构体场合使用,混凝土早强剂具速凝、早强等功能。
性 质:
pH 值: 8 ± 0.5 比重: 1.3 ± 0.03(20 ℃ )
含氯: 24%
固成份: 40% . 外观:粉红色液体
用 法:
1. 场拌混凝土:混凝土设定水量先扣除混凝土早强剂用量( 重量) 再加入混凝土早强剂搅拌。
2.预拌混凝土:混凝土早强剂原则不宜在预拌场添加,应在预拌场先扣除混凝土早强剂之水量,到达现场
再加入混凝土早强剂用量快速搅拌2~3分钟以上。(但视添加量及车程容许在预拌场添加亦可) 。
混凝土填加重量与速凝时间、强度关系参考表:
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