Tipas |
Feldspat |
Feldspar-Molai |
Molai akmuo |
Molai-Korundas |
Korundas |
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Prekė |
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Cheminis turinys |
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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Vandens adsorbcija (%) |
≤5 |
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Atsparumas rūgštims (%) |
≥98 |
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Atsparumas alkakiui (%) |
≥80 |
≥82 |
≥85 |
≥90 |
≥95 |
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Darbinė temperatūra (° C) |
≥1300 |
≥1400 |
≥ 1500 |
≥ 1600 |
≥ 1700 |
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Gniuždymo jėga |
Φ3 mm |
≥400 |
≥420 |
≥440 |
≥ 480 |
≥500 |
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Φ6 mm |
≥ 480 |
≥520 |
≥600 |
≥620 |
≥ 650 |
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Φ8 mm |
≥600 |
≥700 |
≥800 |
≥900 |
≥1000 |
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Φ10 mm |
≥1000 |
≥1100 |
≥1300 |
≥ 1500 |
≥ 1800 |
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Φ13 mm |
≥ 1500 |
≥ 1600 |
≥ 1800 |
≥ 2300 |
≥ 2600 |
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Φ16 mm |
≥ 1800 |
≥2000 |
≥ 2300 |
≥ 2800 |
≥ 3200 |
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Φ20 mm |
≥ 2500 |
≥ 2800 |
≥ 3200 |
≥ 3600 |
≥ 4000 |
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Φ25 mm |
≥3000 |
≥ 3200 |
≥3500 |
≥ 4000 |
≥4500 |
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Φ30 mm |
≥ 4000 |
≥4500 |
≥5000 |
≥5500 |
≥6000 |
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~ 38 mm |
≥6000 |
≥6500 |
≥7000 |
≥8500 |
≥10000 |
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Φ50 mm |
≥8000 |
≥8500 |
≥9000 |
≥10000 |
≥12000 |
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~ 75 mm |
≥10000 |
≥11000 |
≥12000 |
≥14000 |
≥15000 |
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Tūrinis tankis (kg/m3) |
1100-1200 |
1200–1300 |
1300–1400 m |
1400-1550 m |
≥1550 |
Skersmuo |
6/8/10 |
13/16/20/25 |
30/38/50 |
60/75 |
Skersmens tolerancija |
± 1,0 |
± 1,5 |
± 2,0 |
± 3,0 |
Poros skersmuo |
2-3 |
3-5 |
5-8 |
8-10 |