Sell Exfoliated Vermiculite

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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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Lingshou County Xinfa Mineral Co., Ltd.

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