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Lingshou County Xinfa Mineral Co., Ltd.
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unexpanded vermiculite
| Price: | 0.1~0.15 USD |
| Payment Terms: | T/T,L/C,WU, T/T,L/C,WU |
| Place of Origin: | Hebei, China (Mainland) |
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Product Detail
Vermiculite Ore, Crude Vermiculite and Exfoliated Vermiculite:
1. Color: golden and silver
2. Size: 0.01-12mm
3. Use: Paint, Agriculture, etc
Exfoliated Vermiculite and Crude Vermiculite
Physical properties before expanding:
Appearance:exfoliated,flake or superposed flake.It contains 10,000 slices in the thick of 2.54cm.
Luster:pearl luster,grease luster,no luster,surface dinginess and various luster.
Color:goden yellow,brown,brown and green,dark green,black,variedness and striation white.
Bulk density:2.2-2.8 g/cm3
Hardness:1-1.5
Bulk density:1,100-1,200 kg/m3
Melting point:1,320-1,350 C degree
Intensity of pressure:100-150 Mpa
Moisure:7% Appr.
Physical properties after expanding:
Grade | size (mm) | Bulk density (kg/m3) | water absorption (%) | impurity (g/m3) |
1 | >4 | 145 | 475 | <3 |
2 | 2.5-4 | 190 | 450 | <3 |
3 | <2.5 | 200 | 420 | <4 |
Primary chemical compositions:
Compositions | SiO2 | Al2O3 | MgO | Fe2O3 | CaO | PH | H2O |
Contents:(%) | 37-42 | 9-17 | 11-23 | 5-18 | 0.5-0.8 | 8-11 | <1 |
Szes of Vermiculite:
Non-expanded standard
types | No.3 | No.4 | No.5 | 20 M | 32 M | 70 M |
sizes | 3.5-7mm | 1.5-3.5mm | <1.5mm | +900μ,<3% | +710μ,<4% | +250μ,<5% |
Expanded standard
types | sizes |
5 M | <5mm |
10 M | <2mm |
12 M | <1.5mm |
20 M | +900μ,<5% |
40 M | +450μ,<5% |
100 M | +150μ,<5% |
200 M | +75μ,<5% |
325 M | +45μ,<5% |
1,250 M | +10μ,<10% |
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Company Info
Lingshou County Xinfa Mineral Co., Ltd. [China (Mainland)]
Business Type:Manufacturer
Country/Region: China (Mainland)
