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| impronta italgraniti | era | technical specifications | |
| test |
standard |
req'd value | test result | ||
| usage | heavy traffic | ||||
| dimensions | length/width | ISO 10545-2 EN 98 | 0.6% | 0.05% | |
| thickness | ISO 10545-2 EN 98 | 5% | 0.3% | ||
| linearity | ISO 10545-2 EN 98 | 0.5% | 0.05% | ||
| wedging | ISO 10545-2 EN 98 | 0.6% | 0.05% | ||
| warpage | ISO 10545-2 EN 98 | 0.5% | 0.2% | ||
| water absorption | ISO 10545-3 EN 99 | <0.5% | 0.05% | ||
| bending strength | ISO 10545-4 EN 100 |
R>=27N/mm3 |
50 |
||
| modulus of rupture | ISO 10545-4 EN 100 |
>1300N |
>3000 |
||
| thermal expansion | ISO 10545-8 EN 103 | <9x10-6 | 6.2x10-6 | ||
| slip resistance | matte | DIN 51130, 51097 | R9 | ||
| bushhammered | DIN 51130, 51097 | R11 | |||
| colour resistance to light | DIN 51094 | no alteration | |||
| stain resistance | ISO 10545-14 | resistant | |||
| resistance thermal shock | ISO 10545-9 EN 104 | resistant | |||
| scratch resistance | ISO 10545-6 EN 102 | >175mm3 | 130mm3 | ||
| frost resistance | ISO 10545-12 EN 202 | resistant | |||
| chemical resistance | ISO 10545-13 EN 106 | no alteration | |||