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SpecificationLump grade |
SiO2%≥ |
MgO%≥ |
CaO%≤ |
Fe2O3%≤ |
Al2O3%≤ |
L.O.I.(1000℃) %≤ |
Whiteness%≥ |
Color tone |
Size |
PYL-A1 |
61.00 |
31.00 |
0.45 |
0.25 |
0.20 |
6.20 |
97 |
White |
≥3cm |
PYL-A2 |
61.00 |
31.00 |
0.45 |
0.25 |
0.20 |
6.20 |
96 |
Pink |
≥3cm |
PYL-A3 |
61.00 |
31.00 |
0.45 |
0.30 |
0.20 |
6.20 |
93 |
Dark pink |
≥3cm |
PYL-A4 |
61.00 |
31.00 |
0.45 |
0.25 |
0.20 |
6.20 |
95 |
Blue |
≥3cm |
PYL-A5 |
61.00 |
31.00 |
0.45 |
0.30 |
0.20 |
6.20 |
88 |
Dark blue |
≥3cm |
PYL-A6 |
61.00 |
31.00 |
0.45 |
0.30 |
0.20 |
6.20 |
93 |
Mixed |
≥3cm |
PYL-B1–1 |
60.00 |
31.00 |
0.50 |
0.30 |
0.25 |
7.00 |
95 |
Pink |
≥3cm |
PYL-B1–2 |
60.00 |
31.00 |
0.50 |
0.30 |
0.25 |
7.00 |
95 |
Pink |
≥3cm |
PYL-B2–1 |
60.00 |
31.00 |
0.50 |
0.30 |
0.25 |
7.00 |
95 |
Blue |
≥3cm |
PYL-B2–2 |
60.00 |
31.00 |
0.50 |
0.30 |
0.25 |
7.00 |
94 |
Blue |
≥3cm |
PYL-B3 |
60.00 |
31.00 |
0.50 |
0.30 |
0.25 |
7.00 |
90 |
Mixed |
≥3cm |
PYL-C1 |
58.00 |
31.00 |
0.80 |
0.35 |
0.30 |
8.50 |
93 |
Blue |
≥3cm |
PYL-C2 |
57.00 |
31.00 |
0.80 |
0.35 |
0.30 |
9.00 |
92 |
Mixed |
≥3cm |
PYL-D1 |
35.00 |
31.00 |
2.00 |
0.50 |
0.50 |
25.00 |
95 |
Pink |
≥3cm |
PYL-D2 |
35.00 |
31.00 |
2.00 |
0.50 |
0.50 |
25.00 |
94 |
Blue |
≥3cm |
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