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TEST ITEM/MODEL NUMBER | KH-203 | KH-204 | KH-205 | KH-206 | KH-207 | ||||
Water reducing ratio(%) | ≥25 | 41.5-45 | 38 | 38 | 39 | ||||
Bleeding ratio(%) | ≤60 | 15 | 20 | ||||||
Air content(%) | ≤6.0 | ||||||||
Difference of setting time (Min) | Initial setting | Final setting | |||||||
-90~+120 | -90~+120 | ||||||||
Change in 1 hour | Slump(mm) | ≤60 | |||||||
Air content(%) | / | ||||||||
Compressive strength ratio of mortar(%) | 1 day | ≥170 | |||||||
3 days | ≥160 | ||||||||
7 days | ≥150 | ||||||||
28 days | ≥140 | ||||||||
28d shrinkage ratio(%) | ≤110 | ||||||||
Rebar corrosion | Corrosion hazard should be stated | ||||||||
Fluidity(mm) | ≥220 | ||||||||
Density(g/cm3) | 1.08~1.20 | ||||||||
Solid content(%) | 50±0.5 | ||||||||
PH value | 6~8 |
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