UK Yorkstone
Shire Mixed Natural Stone
- Density(Kg/m3) – 2600kg
- Compressive Strength (MPa) – 115
- Water Absorption % – 2.10
- Skid Resistance – (Dry) 83, (Wet) 75
- Flexural Strength – 27
- Abrasion – 22
Trident Blue Natural Stone
- Dry Density – 2556 kg/cubic metre
- Acid Immersion – Pass
- Crushing Strength (MPa) – 97.2/sq mm
- Water Absorption – 2.4%
- Porosity – 7.4%
- Durability – Tests indicate that failure due to frost action is unlikely
- Saturation Coefficient – 1.0
- Skid Resistance (SRV) – 80.7
- Sodium Sulphate crystallisation test – Saturated solution 15 cycles on 50 mm, square cubes. Percentage loss in weight:1%, (average 4 cubes).
Trident Buff Natural Stone
- Density(Kg/m3) – 2300kg
- Compressive Strength (MPa) – 72
- Water Absorption % – 4.08
- Flexural Strength – 15
- Freeze Thaw Resistance – No flake, crack, delamination or break after 25 cycles.
BBS Multi
- Dry Density – 2556 kg/cubic metre
- Acid Immersion – Pass
- Crushing Strength – 97.2/sq mm
- Water Absorption – 2.4%
- Porosity – 7.4%
- Durability – Tests indicate that failure due to frost action is unlikely
- Saturation Coefficient – 1.0
- Skid Resistance (SRV) – 80.7
- Sodium Sulphate crystallisation test -Saturated solution 15 cycles on 50 mm square cubes. Percentage loss in weight:1% (average 4 cubes).
BBS Blue
- Dry Density – 2556 kg/cubic metre
- Acid Immersion – Pass
- Crushing Strength – 97.2/sq mm
- Water Absorption – 2.4%
- Porosity – 7.4%
- Durability – Tests indicate that failure due to frost action is unlikely
- Saturation Coefficient – 1.0
- Skid Resistance (SRV) – 80.7
- Sodium Sulphate crystallisation test – Saturated solution 15 cycles on 50 mm square cubes. Percentage loss in weight:1% (average 4 cubes).