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Table 2 Compressive strength of restoration mortars and stone

From: Specialist ‘restoration mortars’ for stone elements: a comparison of the physical properties of two stone repair materials

 

  Compressive strength (MPa)

 
 

7 days

28 days

56 days

91 days

182 days

Lithomex

6.40 (0.96)

7.92 (0.10)

7.67 (0.54)

8.32 (0.70)

9.19 (1.11)

Conserv

0.47 (0.20)

1.09 (0.14)

1.36 (0.22)

0.97 (0.15)

1.01 (0.14)

Stanton Moor Sandstone

71.66*

Locharbriggs Sandstone

54.45*

  1. Values for restoration mortars are given at different curing times; values in brackets indicate standard deviation. * denotes manufacturer’s data (Stancliffe Stone, 2010a; 2010b) [39, 40].