Item Details
Quarry Location:
Clipsham, Oakham, Rutland, Lincolnshire
Water Absorption:
7.0 – 7.7 %
Density:
2143 - 2179 Kg/m3
Flexural Strength:
3.90 – 5.23 MPa
Compressive Strength:
18.19 – 27.28 MPa
Recommended Usage:
Building stone,countertops, sinks, monuments, pool coping, sills, ornamental stone, interior, exterior, wall, floor , paving
Finishing Surface:
Honed, Aged, Polished, Sawn Cut, Sanded, Rockfaced, Sandblasted, Bushhammered, Tumbled
Additional Names:
Clipsham Limestone,Clipsham Old Stone,Clipsham Medwells Stone Limestone,Lincolnshire Limestone, Rutland Stone,Clipsham Stone
Description:
Physical Tests Results of Clipsham Stone Given below is a summary of the physical test results provided for us by the Building Research Establishment
(BRE) in 2006.
TEST --------- Range
BSEN 1936: Determination of open porosity % 19.7 - 21.1
BSEN 1936: Determination of apparent density Kgm -3 2143 - 2179
BSEN 13755:Determination of water absorption at atmospheric pressure % 7.0 – 7.7
BR 141: Determination of saturation coefficient 0.77 – 0.80
BSEN 12370: Determination of resistance to salt crystallisation %weight loss % 23.33 – 30.17
BSEN 1926: Determination of compressive strength dry perpendicular to bed MPa 18.19 – 27.28
BSEN 12372: Determination of flexural strength dry perpendicular to bed MPa 3.90 – 5.23
BSEN 12372: Determination of flexural strength dry perpendicular to bed after 48 cycles of freeze thaw MPa 4.13 – 5.15
BSEN 12371: Determination of frost resistance Yes*
BSEN 1341: Determination of abrasion resistance 24.3 – 28.2
BSEN 1341: Determination of slip resistance wet 84 - 91
Approximate chemical composition
Calcium Carbonate (CaCO3) 97.56
Magnesium Oxide (MgO) 0.54
Aluminium and Iron Oxides (A12O3and Fe2O3) 0.83
Insoluble residue (chiefly SiO2) 0.84
Water and loss (H20) 0.23
Its chief physical properties are :
Specific gravity 2.42
Weight per cub. ft. 68kg.
Crushing resistance per sq. ft. 291.6 tons (Kirkaldy)