Table 2 Performance comparison of various dispersed air limes
From: Building limes for cultural heritage conservation in China
Dispersed air lime, Type C | Dispersed air lime Type F | Commercially available dispersed lime from one German company | |
|---|---|---|---|
Solid content, wt% | 55 | 54 | 65 |
Aggregate content% | 10% (white marble powder) | 0 | 15% |
7-day pull-off strength on marble substrate/ carbonization depth | 0.75 N/mm2/≤1 mm | 0.69 N/mm2/≤1 mm | 0.28 N/mm2/3-4 mm |
28-day pull-off strength on marble substrate / carbonization depth | 1.45 N/mm2/3-4 mm | 1.40 N/mm2/3-4 mm | 0.31 N/mm2/7-9 mm |
Capillary absorption coefficient (kg/m2•h0.5) | 6.3 | 2.5 | 4.5 |
Chalking | No chalking after 24 hours | No chalking after 24 hours | Chalking after 7 days of construction |