| Project PCT Pure Clay Tiles |
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flexural strength > 45 N/mm² ultimate load > 600 N slip resistance R10, B water absorption <0,1 % scrtch hardness acc. Mohs >8 deep abrasion 143 mm³ frost resistance lightfastness and colorfastness inflammable resistance to temperaure change coefficient of expansion at 100°C 58,0 x 10-7 /°K |
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