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Farrar Buff

DESCRIPTION: Hard fine-grained sandstone without visible laminations.Very durable with good weathering qualities.
Country of origin: China
COLOUR: Light Buff
Density:
ASTMC97-96		 2250 kg/ cubic metre.
Compressive Strength:
(BS EN 1926:1999)		 78 N/ sq mm
Water Absorption:
ASTM C97-90		 4.67%
Porosity
BR141, BRE REPORT 1989		 12.37%
Abrasion Resistance Value mm:
(BS EN 1341:2000 BS EN 1342:2000)		 0.85
Saturation coefficient:
BR141, BRE REPORT 1989		 0.85
Flexural Strength
ASTM C99-87 (WET)		 6.40 MPa
Durability: Test indicate that failur due to frost action is unlikely.
Sodium Sulphate Crystallisation Test
BRE141, BRE REPORT 1989		 Saturated solution 15 cycles on 50 mm square cubes. Percentage loss in weight : 0.7% (average 5 cubes). Class A
Slip Resistance Wet :
BSEN1341		 68-70

Please note that sandstone is a natural product and all results are subject to variation