Math |
Feldspar |
Feldspar-Molai |
Carreg Molai |
Molai-Corundum |
Corundwm |
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Eitem |
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Cynnwys cemegol |
Al2O3 |
20-30 |
30-45 |
45-70 |
70-90 |
≥90 |
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Al2O3 + SiO2 |
≥90 |
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Fe2O3 |
≤1 |
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Amsugno dŵr (%) |
≤5 |
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Gwrthiant asid (%) |
≥98 |
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Gwrthiant Alkaki (%) |
≥80 |
≥82 |
≥85 |
≥90 |
≥95 |
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Tymheredd gweithredu (° C) |
≥1300 |
≥1400 |
≥1500 |
≥1600 |
≥1700 |
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Crwsio cryfder |
Φ3mm |
≥400 |
≥420 |
≥440 |
≥480 |
≥500 |
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Φ6mm |
≥480 |
≥520 |
≥600 |
≥620 |
≥650 |
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Φ8mm |
≥600 |
≥700 |
≥800 |
≥900 |
≥1000 |
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Φ10mm |
≥1000 |
≥1100 |
≥1300 |
≥1500 |
≥1800 |
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Φ13mm |
≥1500 |
≥1600 |
≥1800 |
≥2300 |
≥2600 |
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Φ16mm |
≥1800 |
≥2000 |
≥2300 |
≥2800 |
≥3200 |
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Φ20mm |
≥2500 |
≥2800 |
≥3200 |
≥3600 |
≥4000 |
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Φ25mm |
≥3000 |
≥3200 |
≥3500 |
≥4000 |
≥4500 |
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Φ30mm |
≥4000 |
≥4500 |
≥5000 |
≥5500 |
≥6000 |
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Φ38mm |
≥6000 |
≥6500 |
≥7000 |
≥8500 |
≥10000 |
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Φ50mm |
≥8000 |
≥8500 |
≥9000 |
≥10000 |
≥12000 |
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Φ75mm |
≥10000 |
≥11000 |
≥12000 |
≥14000 |
≥15000 |
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Dwysedd swmp (kg / m3) |
1100-1200 |
1200-1300 |
1300-1400 |
1400-1550 |
≥1550 |
Diamedr |
6/8/10 |
13/16/20/25 |
30/38/50 |
60/75 |
Goddefgarwch diamedr |
± 1.0 |
± 1.5 |
± 2.0 |
± 3.0 |
Diamedr pore |
2-3 |
3-5 |
5-8 |
8-10 |