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With the process of removing sand and impurity, crashing, filtrating, vermiculites become exfoliated, they can be divided into different sizes: 0-1mm, 1-2mm, 2-4mm, 1-3.5mm, 3-5mm, 4-6mm and so on, we can produce many sizes as clients required. There are two kinds of vermiculite in our country: golden vermiculite and silvery vermiculite, they have different chemical components.
¡ö¡¡Golden vermiculite
Chemical components
Chemical Composition SiO2 Al2O3 MgO CaO PH Fe2O3 Impurity
(%) 41 18 21 0.8 7-10 3.5 < 3
¡ö¡¡Silvery vermiculite
Chemical components
Chemical Composition SiO2 AL2O3 AL2O3 MgO CaO FeO Fe2O3 TiO2
(%) 41.2 12.68 24.22 0.96 1.54 4.06 1.33
Chemical Composition K2O P2O5 H2O Na2O MnO Impurity L.O.I
(%) 5.97 0.06 3 1.6 0.043 < 5 6.71
¡ö¡¡Expanded vermiculite
Exfoliated vermiculite in the process of high temperature roasting, they can expand many times, and the average density of the expanded vermiculite is about 100-130kg/m3, they have small air separation layer, so they are good construction materials of heat preservation, thermal insulation sound absorption, and corrosion proof, and also industry loading material, coating, anti-fire materials. Expanded vermiculite is extensively used in many industries such as construction, metallurgy, chemical industry, light industry, machinery, electric power, petroleum, environment protection communication, transportation and horticulture.
Main applications:
1.Construction materials: light materials such as light concrete materials, light calcimine and light mortar.
2. Heat resisting material: wall materials, anti-fire board, anti-fire mortar, firebrick, and brake linings.
3.Heat preservation, thermal insulation and sound absorption materials: underground pipeline, heat preservation material used in hothouse pipeline, decoration material used in upholstery and tunnel, also wall and ceiling in the public.
4.Metallurgy: steel frame cladding materials, removal of slag when manufacture of iron and foundry
5. Agriculture, |
| Company: |
Shijiazhuang Eternal Building Materials Co.,LTD
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| Contact: |
Ms. Li Oliva |
| Address: |
No 268, HuaiAn Western Road , Shijiazhuang, Hebei, China |
| Postcode: |
050000 |
| Tel: |
86-0311-89801208 |
| Fax: |
86-0311-85119401 |
| E-mail: |
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