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Powder mineral acidproof (diabase flour - "Diabazit")
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1. Structure
Powder mineral acidproof (diabase flour - "Diabazit") PMK - Diabazit (TU 5716 - 001 - 41357914 - 2009) - a product of thin crushing in a spherical inertial mill of acid - resistant rock – diabase.
1.1 Mineralogical structure
| Main minerals | the plagioclase is albitizirovanny | augite | actinolite | chlorite (hydrochloride) | ||
| Contents, % | 57 - 68 | 20 - 25 | 4 - 14 | 6 - 8 | ||
1.2 Chemical composition
| Name of oxide | CaO | MgO | Al2O3 | SiO2 | FeO + Fe2O3 | Other, % | ||||
| Contents, no more than a % | 4,0 | 2,2 | 12,3 | 76,0 | 3,7 | 1,8 | ||||
2. Properties
2.1 Technical datas
| Name of an indicator | Unit - ism | Size | |
| Grinding subtlety | The rest on a sieve No. 1,25, no more | % | 5 |
| The rest on a sieve No. 0063, no more | % | 45 | |
| Humidity, no more | % | 1 | |
| Bulk density | kg/m3 | 900 - 1200 | |
| True density | kg/m3 | 2500 - 3000 | |
| Acid resistance, not less | % | 95 | |
| Alkali resistance, not less | % | 85 | |
2.2 Acid resistance indicators
| Acid | Sulfuric H2SO4 | Salt HCl | Acetic CH3COOH | Nitric HNO3 | Phosphoric H3PO4 | |||
| Acid resistance, % not less | 95 | 92,7 | 97 | 93,1 | 93,2 | |||
The subtlety of a grinding of powder mineral acidproof (torments diabase) PMK - Diabazit corresponds to optimum. It allows to save amount of binder, and also to reduce shrinkage of ready solution at its solidification.
3. Application
Powder mineral acidproof (diabase flour) PMK - Diabazit is used as a filler for preparation of chemically resistant putties, solutions and a betonovn to a basis silicate knitting or the epoxies applied in chemically aggressive conditions (plating and etching baths, electrolyzers, floors of by - product recovery departments, workshops of the food industry, chimney pipes, etc. )
