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Sepiolite fiber (20-40 mesh)
General Introduction
Sepiolite is a clay mineral of fibrous magnesium silicate.It is a hydrous aluminum-magnesium silicate with chain structure.Usually the colour is white,light gray, pale yellow etc. The melting point is 1500-1700 °C.It is innoxious, flavourless and high temperature resistance. Sepiolite has low shrinkage rate, good plasticity and insulation, high salt-resistance etc.
Chemical Formula: Mg8(H2O)4[Si6O16]2(OH)4·8H2O
Chemical Composition
Element | Component % | Element | Component% | Element | Component% |
SiO2 | 12.68~54.00 | Al2O3 | 0.23~0.74 | Na2O | 0.033~0.08 |
MgO | 6.94~40.0 | Fe(FeO+Fe2O3) | 0.21~0.71 | CaO | 7.01~41.20 |
LOI | 15.12-25.32 | K2O | 0.15 | H2O | 2.28~3.38 |
Product Quality Index
Grade | Fiber Length | Mineral content(%) | Powder content(%) | Sand content (%)
| Moisture (%) |
400 | 0-30MM | ≥95 | ≤30 | ≤3 | ≤3 |
500 | 0-30MM | ≥95 | ≤30 | ≤3 | ≤3 |
600 | 0-30MM | ≥95 | ≤30 | ≤3 | ≤3 |
Sepiolite powder | 20-40 mesh | ≥95 | ≤30 | ≤3 | ≤3 |
Sepiolite fiber | 0.5-5MM | ≥95 | ≤15 | ≤3 | ≤3 |
Sepiolite fiber | 3-6MM | ≥95 | ≤10 | ≤3 | ≤3 |
Main characteristics
Sepiolite is a kind of rare minerals in nature. It is fibrous silicate minerals. The main property includes heat stability,strong adsorption, salt resistance, acid resistance, no pollution etc.
- Sepiolite offers a good opportunity for the domestic and international enterprises which produce asbestos,cement,rubber,braking,friction,seals, heat insulation materials,coating, textile, adsorbent, fire retardant etc.
Application of Sepiolite
Applied Industry | Detailded Use |
| |
Oil refining | adsorbent, decoloring agent, filtering agent |
Brewage and Chemical | molecular sieve, use in chemical, sugar and wine manufacturing |
Pharmaceuticals | ion exchanger, detergent, shiny agent |
Ceramics | enamel material |
Environmental Protection | detergents and adsorbent of paricle |
Castings | molding sand binder |
Silicates | materials of special heat-resistant coating for high-Mg refractories
|
Plastics | foaming agent and decoloring agent |
Constructions | material for sound and heat insulation; coating |
Rubbers | special filler |
Electric Welding Rods | ingredients of welding flux |
Textiles and Chemicals | catalyst, suspending agent, thickener, thixotropic agent |
Cigarette Manufacturing | material of cigarette filter |
Paper for Special Use | catalytic carrier and adsorbent |
Modern Science in National Defence | Special ceramic parts for atomic energy, rocket and satellite etc. |
Agriculture | Carriers of pesticide and soil sterilization; ingredients of animal medicament |
Craftworks | Material of sculpturing craftwork, decoration and daily necessities etc. |
