Blue - Limestone
United Kingdom
Item Details
Quarry Location:
Bowers Quarry, Isle of Portland
Water Absorption:
1.3 By weight %
Density:
2596 kg/m3
Flexural Strength:
13.8 MPa
Compressive Strength:
119 MPa
Recommended Usage:
Suitable for interior and exterior applications
Additional Names:
Portland Hard Blue,Portland Blue Limestone
Description:
Test Results - Portland Hard Blue Limestone
Safety in Use
Slip Resistance (Note 1) Wet: 36
Values > 40 are considered safe Dry: 57
Abrasion Resistance(Note 1) 23.0
Values <23.0 are considered suitable for use in heavily trafficked areas
Strength under load
1) Compression(Note 2) 119 Mpa
Loaded perpendicular to the bedding - ambient humidity
2) Bending (Note 1) 13.8 Mpa
Loaded perpendicular to the bedding - ambient humidity
Porosity and Water Absorption
1) Porosity (Note 3) 3.4%
2) Saturation Coefficient (Note 3) 0.95
3) Water Absorption 1.3% (by wt)
4) Bulk specific gravity 2596 kg/m3