| granite | dakota mahogany | |
30x30cm polished granite |
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| finishes | ||||||||||
| stock | polished | |||||||||
| special order | honed | |||||||||
| sizes | ||||||||||
| stock | 30x30 | |||||||||
| special order | all sizes from 15x15 to 60x60 | |||||||||
| slabs | special order | |||||||||
| sealer | 511 Impregnator | |||||||||
| colour enhancer | n/a | |||||||||
| application | high traffic commercial | |||||||||
| colour/veining | little variation | |||||||||
| surface texture | n/a | |||||||||
| test | result | |
| compressive strength | 1580 kg/cm2 | |
| compressive strength after freezing | 1812 kg/cm2 | |
| water absorption | 0.290% | |
| tensile strength | 134 kg/cm2 | |
| impact - minimum fall height | 42 cm | |
| thermal co-efficient of expansion | 0.0070 mm/m oC | |
| abrasion co-efficient | - | |
| bulk density | 2900 kg/m3 | |
| modulus of elasticity | 387580 kg/cm2 | |