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Micarb (micromarble)
Midol (microdolomite)
Mibari (microbarite)
Miwoll (microwollastonite)
Framica (micromica)
Framitex (magnesium hydroxide)
Mikao (kaolin)
Mital (microtalk)
Talkon
Talc
Barite concentrate
Framial (aluminium hydrooxide)
Framilite (engineer clays)
Mil Bar


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ANALYTICS

The fillers of the SUPER serie. Impexinvest LLC priorities

The maim development priority of the Impexinvest LLC is expansion the assortment of the products and increasing the production of the fillers of the SUPER serie:

  • The micronized high whiteness fillers on the base of natural and improved raw materials - marble, dolomite, talc, barite, kaolin and wollastonite.
  • These products combines a high chemical purity, a high estimation level of the chromatic preferences (by CIELab, DIN 53163, ISO 2470), an effective dispersive distribution of the product types with the price level of the Russian
    manufacturer.

Our new fillers are directed to replace and to expand the existing foreign (imported) components (OMYACARB, MICRODOL, FINNTALK, etc.) in plastics, paper manufacturing, varnish-and-paint and constructional materials propduction, ceramics for crutial purposes.

It becomes possible as a result of expanding the source of raw materials by involving most perspective sources of mineral raw materials and also by using the special processing and modification methods. The applied technology is directed to produce the fractionated products with narrow dispersive distribution with limitations of the content of the coarce-grained and fine-grained fraction relatively to predetermined average. It allows to control the properties directly and to provide the optimal granulometric compositions and to reduce the volume of the binding agent. An imprortant factor is also the demand of the super white and micronized fillers in Russian industry (which is formed by leading foreign manufacturers). We realize the long-term priorities of the small manufacturers in Russia in the competition with foreign suppliers of widely known brands, whose products is often taken as the sample. Besides, these priorities may be based on providing necessary technological conditions, best and stable quality and advantageous prices in combination with reasonable (partially protectionistic) support from frendly customers, who will faced or have already faced with the similar problems

MICARB® of the SUPER serie

The products of this serie successfully compete (in physical, chemical and optical properties, granulometric composition) with OMYACARB products (made in Turkey, Austria and Czech Republic), and also NORDALK, AGA-calcite, and other Russian and foreign quality products, which is sold in Russia. At the same time the using of modern technologies in the conditions of Russian industry allows to offer the micromarble of the SUPER serie with the essentially lower prices (up to 20÷50%) comparing with the imported analogs. The produced fillers vary in the average size of particles (10; 7; 5; 3; 1,7 mkm) and in the variations of whiteness (97%, 98%, 99%min by CIELab, ISO 787/1, C/2°).

It is worth to emphasize the remarkable chromatic properties of the MICARB® grade "99". It has a quite uncommon combination of the high values of reflective indexes in the visible spectrum, lightness (L), brightness (Ry), whiteness (Wlab) and very low yellowness (G).

MIDOL® of the SUPER serie

These products (whiteness by CIELab is no less than 98%, low yellowness) are analogous to some products of MICRODOL and MYANIT. The assortment line of MIDOL® is defeined depending of granulometric properties and other parameters limited by the industry. Generally, individual advantages in using microdolomites and, particularly, MIDOL® comparing other carbonate fillers - are the unity in prices, accessibility and available formulas and, less important, - advantages and specificity of the physical and chemical properties. It is possible to remark from the last the increased hardness of the dolomites - it is an important factor for some applications, for example, for road marking materials production.

MITAL® of the SUPER serie

This serie of fillers is an important addition to the standard microtalcs produced by Impexinvest LLC. MITAL® of the SUPER serie is preferable comparing the level of whiteness (no less than 98,5% by CIELab for grade "99"), the chromatic tints, and the price (-30÷70%) with the same products of FINNTALC (with the similar granulometric compositions). It is possible to provide the most concentrated compositions (by the level of main component) and also the products with the level of main component which is enough to acheive the application tasks with minimal expences. At the same time the announced high whiteness and necessary dispersity is provided for all products. MITAL® fillers is produced from improved raw materials which are the natural mix of the magnesite-talc and talc-dolomite diversities. The scaly form of the talc particles is saved to the maximum, that improves the protective, structure-forming and strengthening properties of MITAL®, taking into account the natural features of the raw material.

MIBARI® of the SUPER serie

These are products of high cleaness parameters and regulated grinding degree. A low oil absorption, a high density (which is generally a barite feature) in combination with a high weather- and chemical resistance, a high whiteness (up to 98-98,5% by CIELab) allows to use MIBARI® fillers with no limitations in the improved materials for crutial applications and also for radiation-resistant compositions of the full circle: plasters, surfacers, precoats, coatings. This kind of the application of the barite fillers becomes more actual because of the increasing requirements to radiation safety of industrial premises and living quarters. MIBARI® (especially high micronized grades) - is an efficient and really effective alternative to deposited barium sulphate in the wide range of applications, including VPM production for the motor-car industry, powder paints, special plastics, chemically stable coverings.

MIWOLL® of the SUPER serie

These are the perspective products for Impexinvest LLC for the multi-purpose applications. The wollastonite itself is still not discovered enough by Russian consumers. Their main feature in our case is: a high whiteness (96-98% by CIELab), an acicular structure with a high characteristic proportion (usually no less than 10:1) providing the increasement strengthness-forming properties of the materials and coatings with MIWOLL®. This fillers is oriented for using in the varnish-and-paint materials (i.e., used in alternating, deformative and abrasive loadings), and also for producing the ceramics for crutial applications, the rubber staff, constructional and friction materials and, first of all, for filling the polymers to improve their operating properties.

MIKAO® of the SUPER serie

The enriched natural koalines, processed with high-temperature fireing, whitening and micronizing - are the continuation of the line of functional multi-purpose fillers, which are more advantageable in combination with other Impexinvest LLC fillers. MIKAO® - is a special solution for covering and paper industries, where the optic and other properties of high-quality calcinated kaolines are on demand.

FRAMITEX®

The fire-retardant additives on the base of modified technical magnesium hydroxide produced by Impexinvest LLC - are the products for specific applications. The using of fire- and smoke-suppressive additives in the potentially flammable polymers (not for export) is the "good will" socially responsible manufacturers in Russia, where the legislative limitations often ignore the "fire" reality. Realizing the responsibility, the produced FRAMITEX® - is a hi-tech and innovative impact from Impexinvest LLC, which reduces the expenses. FRAMITEX® is individually effective in the high-filled materials (40-70%), and in low-filled polymers - in combination with halogen-, phosphorus based fire-retardant additives. The synergism in using is also noted.

FRAMIAL®

The serie of the fire retardant fillers from the synthetic aluminium hydroxide, which is produced in addition to FRAMITEX® for the conditions, when the application of the maximum concentrated products is necessary and the process temperatures do not exceed 190°, and also for some special polymers.

See the tables 1÷5 to compare the corresponding parameters of the materials (produced in 2003-2004), which are measured with unified methods of Impexinvest LLC. It is necessary to emphasize that possible differences (from the data provided by manufacturers) should not be interpreted as an inauthentic information. It can be caused by disparity of the measurement software and hardware, by commercial allowances, by probabilistic character production processes, and by other hardly countered factors. The most differences may be discovered in the tests with inherented subjectivity (defining DOP- and oil absorption), or with different principles of the result processing. For example, the measurements of the dispersive parameters of micronized fillers with scaly or lamellar particles (talc, mica. etc.) with the Sedigraph (deposite method) are often don't match the similar with the Analizette, Gilas, Microsizer (laser difraction method). All of them may differ from screening residue measurements, etc. It is impossible to say definetely about absolute value measurements, but often the relative comparative measurements are not less informative.

The priorities in production of the SUPER serie fillers allows to expand the basic products line of the GEOKOM. Here is our nice offer to our Partners:

Impexinvest LLC has an opportunity to process raw materials from different sources and, relatively, has an opportunity to offer the fillers of the STANDARD serie as an economized solution when the increased reqirements to whiteness are not on demand and the required or allowable degree of chemical purity and dispersity has been provided.

  • choose the products in an increased quality and price range to provide most reasonable conditions for forming the consumption;
  • high quality products with lower prices comparing to the foreign (imported) analogues;
  • treat with understanding and responsibility to perform the orders with individual requirements to quality parameters of
    the fillers;
  • designing new grades we take into account the experience and motivation of foreign manufacturers of the similar
    materials and, as a result, dispose of an information on how to replace the expensive products with no deterioration
    of the product properties.

Table 1. The main quality parameters of microcalcites

Parameter OMYACARB
(Austria, Czech Rep., Turkey, Russia)
Gurcal alcite 20 (* AGA-calcite 5 (* AGA-calcite 3 (*
2VA 2GU 2x-ka 5GU 5ka 5UR 2UR
Fraction of total mass of screening residue No 0045, % 0,02 0,00 0,03 0,05 0,1     0,01 0,05 0,02
Maximum particle size distribution (D98), m (** 12 11 15 22 27 35,7 12,5 21 23 17
Minimum particle size distribution (D10), m (** 0,9 0,8 0,8 1 1 0,9 0,8 0,9 1 0,9
Average particle size distribution(D50), m
median (Microsizer-201) 2,4 2,4 2,3 4,7 4,3 4,5 2,3 2,8 3,3 2,9
sedimentational (photosedimentograph CF-2) 2,5 2,2 2,5 6,5 6,8          
manufacturer data (Sedigraph / CILAS) 3 3 2 5 5          
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 97,8 98 97,8 97,8 97,9 98,4 98,0 98,4 98,2 98,6
ligntness (L) CIELab, % 98,2 99 98,9 98,7 99 98,6 98,3 99,4 99,5 99,5
brightness DIN 53163 (Ry, C/2°), % 95,5 96,3 97,4 96,7 97,7 96,6 95,7 97,6 97,6 98
yellowness ASTM D1925-70 (C/2°), % 3,2 3,6 3,5 3,5 3,9 1,9 2,5 2,8 3,0 2,6
brightness ISO 2470 (R457), % 94 95 94,9 94,7 95,2 95,6 95,2 96,4 95,4 96,8
whiteness ISO 11475 (D65/10°), % 89,4 89,8 88,7 88,9 89,3 93,1 90,7 91,8 90,8 93,2
Oil absorption ISO 787/5, g/100 g 23 24 24 20 22     23 20  

Table 1. The main quality parameters of microcalcites (Part 2)

Parameter MICROFILL Microblanc 2 (Greece) NORD KALK FC-7 (Finland) Impexinvest LLC MICARB ®
05-99 03-99 01-99 05-98 03-98 01-98 03-96 01-96
Fraction of total mass of screening residue No 0045, % 0,03 0,3 0,03 0,01 0,00 0,03 0,01 0,00 0,01 0,00
Maximum particle size distribution (D98), m (** 14 29 23 16 10 21 15 8 18 11
Minimum particle size distribution (D10), m (** 0,8 1 1 0,9 0,8 1 0,8 0,7 0,9 0,8
Average particle size distribution(D50), m
median (Microsizer-201) 2,3 6,4 4,7 2,6 1,7 5 3 1,6 2,8 1,8
sedimentational (photosedimentograph CF-2)   6,8 5,5 3 1,5       3,1 1,5
manufacturer data (Sedigraph / CILAS) 2,5 7                
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 98,2 98,0 98,3 98,8 98,8 98 98 98,2 96,5 97
ligntness (L) CIELab, % 99,1 98,6 99,2 99,5 99,5 98 98 98,5 97 97,5
brightness DIN 53163 (Ry, C/2°), % 97,8 95,9 98 98,2 98,3 95,5 95,5 96 93 93,5
yellowness ASTM D1925-70 (C/2°), % 3,5 2,5 2,4 2,2 1,8 2 2 1,8 4,5 3,5
brightness ISO 2470 (R457), % 95,5 94,4 96 96,7 97 94,5 94,5 94,8 91 92,5
whiteness ISO 11475 (D65/10°), % 90,5 90,2 92,8 93 93,7 90,2 90,2 92 83,3 87
Oil absorption ISO 787/5, g/100 g   17 18 22 25 18 22 25 22 24

(* - the samples is received from the dealers of the Turkish manufacturers, the other samples are provided by the customers in 2003-2007
(** - measurements made with Microsizer-201

Table 2. The main quality parameters of microdolomites

Parameter MICROFILL (Greece) NORWEGIAN TALC AS (Norway) SALA MINERALS MYANIT A6 (Sweden) Impexinvest LLC MIDOL®
DOLTITAN 5 DOLTITAN 2 MICRODOL-1 MICRODOL "EXTRA" 07-98 05-98 03-98 01-98
Fraction of total mass of screening residue No 0045, % 0,02 0,00 0,05 0,00 0,02 0,05 0,05 0,01 0,00
Maximum particle size distribution (D98), m 28 18,3 24 13 28 28 22 15 10
Minimum particle size distribution (D10), m 0,9 0,8 0,9 0,8 1,2 1,3 1 0,8 0,7
Average particle size distribution(D50), m
median (Microsizer-201) 4,5 2,6 5,9 2,5 6,7 7 5 3 1,7
sedimentational (photosedimentograph CF-2)     6,8 4,4 6,5 7,2 5,5 3,6 1,9
manufacturer data (Sedigraph) 5,5   7 3 7        
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 97,2 97,5 98,6 98,2 97,5 98,3 98,5 98,5 98,3
ligntness (L) CIELab, % 97,9 98,5 98,8 98,4 98,9 98,6 99 99 98,7
brightness DIN 53163 (Ry, C/2°), % 94,6 96,1 96,9 95,8 97 97,7 98 98 97,8
yellowness ASTM D1925-70 (C/2°), % 3,7 3,8 1,7 1,7 4,5 2,7 2,5 2,5 2,6
brightness ISO 2470 (R457), % 92,2 93,5 95,9 94,7 93,7 95,4 96 96 96
whiteness ISO 11475 (D65/10°), % 86,1 87,3 93,6 92,2 86 91,5 93 93 92,5
Oil absorption ISO 787/5, g/100 g 19 24 20 23 19 17 20 23 25

Table 3 . The main quality parameters of microtalcs

Parameter Finntal (Mondo Minerals) Finland Impexinvest LLC MITAL®
50 30 15 05 MicroTalc A.T.1 10-80 10-97 10-99 07-97 07-99 05-99
Fraction of total mass , %
SiO2 60 60 60 60 39 40 60 60 60 60 60
MgO 31 31 31 31 32 32 32 32 32 32 32
Fraction of total mass of screening residue No 004, % 29 5,2 0,05 0,01 0,05 0,1 0,1 0,1 0,07 0,07 0,01
Maximum particle size distribution (D98), m (* 102 68 27 21 27 33 32 32 27 27 22
Minimum particle size distribution (D10), m (* 6,9 4,1 2,5 1,6 2,2 2,5 3 3 2 2 1,5
Average particle size distribution(D50), m
median (Microsizer-201) 38 15,4 7,2 5,3 6,7 9,2 8,5 8,3 6,7 6,1 4,3
sedimentational (photosedimentograph CF-2)   12,9 7,5 4,4     8,6 8,6 6,9 6,4 4,4
manufacturer data (Sedigraph 5100) 22 9 4,5 2 4,5            
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 90,1 91,6 92,9 95,1 91,1 84 96,8 98,8 97 98,8 98,8
ligntness (L) CIELab, % 90,4 92 93,2 95,5 92   97 99 97 99 99
brightness DIN 53163 (Ry, C/2°), % 77 79,6 82,7 87,9 79,2   92 97 92 97 97
yellowness ASTM D1925-70 (C/2°), % 4,2 3,0 2,5 2,0 3,9   2 1,8 2 1,8 1,8
brightness ISO 2470 (R457), % 75,4 78,5 81,9 88,5 76,7 64 90 96 90 96 96
whiteness ISO 11475 (D65/10°), % 66,5 72,8 79,9 84,0 69,5   87 93,5 87 93,5 93,5
Oil absorption ISO 787/5, g/100 g 23 31 39 47 36 27 30 30 34 34 43

Table 3 . The main quality parameters of microtalcs (continue)

Parameter Luzenac Group MICROFILL
Zeta Talc EW20
(Greece)
Impexinvest LLC MITAL®
Talc A7C Steamic 00S CA Jetfine 3ca Extra 5/0 Stealen 15-96 10-96 07-96 05-96 03-96
Fraction of total mass , %
SiO2 58     59     45 45 45 45 45
MgO 31     32     33 33 33 33 33
Al2O3 2     2     12 12 12 12 12
Fraction of total mass of screening residue No 004, % 0,05     4,2 0,5 0,05 1 0,1 0,05 0,01 0,00
Maximum particle size distribution (D98), m (* 26 14,9 12,1 91,5 59 30,3 56 32 28 24 18
Minimum particle size distribution (D10), m (* 1,9 1,7 1,5 4,8 3,5 2,4 4,5 2,5 2 1,5 1
Average particle size distribution(D50), m (* 6,1 4,7 3,8 24,6 15,9 8,3 14 8,5 6,5 5 3,5
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 97,4 94,3 95,5 96,3 98 97,8 95,5 96,5 96,5 96,5 96,5
ligntness (L) CIELab, % 98 94,3 95,5 97 98,5 98 96 99 97 97 97
brightness DIN 53163 (Ry, C/2°), % 93,8 86 88,8 91,3 96,2 95,4 90 92 92 92 92
yellowness ASTM D1925-70 (C/2°), % 2,2 1,4 1,4 2,9 3,5 2,8 3,5 3 3 3 3
brightness ISO 2470 (R457), % 92,6 85,3 88,2 89,1 95,5 93,2 88,5 90 90 90 90
whiteness ISO 11475 (D65/10°), % 89,6 83,3 86,4 85,1 89,9 89,3 82,3 86 86 86 86
Oil absorption ISO 787/5, g/100 g 36 39 37 29 31 29 20 25 28 35 44

(* - Measured by Microsizer-201

Table 4. The main quality parameters of microbarites

Parameter Sachtleben Chemie (Germany) SOLVEY
BlancFixe HD-80
(Italy)
Mendeleev
Chemical Factory
Barium sulphate m.A
Standard 5694-77
Impexinvest LLC MIBARI®
Baryt EWO Blanc Fixe N Sachtleben micro 03-96 01-96 05-98 03-98 01-98
Fraction of total mass BaSO4, % 92 99 99 99 99 97 97 98 98 98
Fraction of total mass of screening residue No 0045, % 0,05 0,00 0,00 0,00 0,00 0,01 0,00 0,05 0,01 0,00
Maximum particle size distribution (D98), m (* 16 12 2,7 11 8 12 8 20 12 7
Minimum particle size distribution (D10), m (* 0,9 0,8 0,6 0,8 0,6 0,9 0,7 1 0,9 0,7
Average particle size distribution(D50), m
median (Microsizer-201) 2,9 2,2 1,1 1,6 1,3 3,0 1,5 4,5 2,6 1,5
sedimentational (photosedimentograph CF-2) 4,7 .. .. .. 1,1 3,5 1,3 5,2 3,3 1,3
manufacturer data (Sedigraph 5100) 3 3 1 1 >1          
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 97,1 98,2 98,7 98,3 96,0 96,8 96,8 98 98 98
ligntness (L) CIELab, % 97,5 98,8 99,9 99,1 97,4 97,6 97,6 98,5 98,5 98,5
brightness DIN 53163 (Ry, C/2°), % 93,7 96,0 99,7 97,7 95,3 93,9 93,9 96 96 96
yellowness ASTM D1925-70 (C/2°), % 3,2 2,7 2,6 2,3 7,3 3,6 3,6 2,5 2,5 2,5
brightness ISO 2470 (R457), % 92,3 94,0 98,1 94,0 89,5 92,1 92,1 94 94 94
whiteness ISO 11475 (D65/10°), % 87,4 92,0 94,2 92,0 80,1 86,6 86,6 91 91 91
Oil absorption ISO 787/5, g/100 g 12 14 17 15 17 13 15 10 13 15

Table 5. The main quality parameters of microwollastonites

Parameter NORDKALK PARTEK (Finland) NYCO Minerals, Inc. NYGLOS-8
(USA)
ALDERO Wollastonite
WTN 60
(Italy)
Impesinvest LLC MIWOLL®
FW-200 FW-325 WIC-10 NYGLOS-8 NYAD 400 30-97 10-97 10-96 05-97 03-97
Fraction of total mass , %
CaO 44 44 44 46   46 46 46 46 46 46
SiO2 53 53 53 52   51 52 52 52 52 52
Fe2O3 0,15 0,15 0,5 0,8   0,1 0,1 0,1 0,1 0,1 0,1
Losses on ignition (1000 °, 1 hour), % 0,9 0,9 0,9 0,5   1,0 1,0 1,0 1,0 1,0 1,0
Characteristic proportion 3:1 3:1 8:1 19:1 3:1 3:1 10:1 16:1 5:1 20:1 4:1
Fraction of total mass of screening residue No 0045, % 10 2 0,1 0,8   10 24 0,1 0,02 0,05 0,01
Maximum particle size distribution D98, (Microsizer-201), m 111 104 12 100 51 91 120 90 55 60 23
Minimum particle size distribution D10, (Microsizer-201), m 1,8 1,6 1,3 1,5 1,5 2,1 4 2,5 2 2 1,5
Average particle diameter (D50), m
median (Microsizer-201) 16 14 4 7,5 8,1 18 31 10 10 5,2 2,8
manufacturer data (Sedigraph 5100) 18 13 4,5 8 8            
Chromatic preferences
whiteness CIELab (ISO 787/1, C/2°), % 95,7 95 95 97 95,5 96,4 96 97,2 96 97,4 96
ligntness (L) CIELab, % 95,8 95,4 95,5 97,3 96,1 96,7 96,3 97,3 96 97,5 96
brightness DIN 53163 (Ry, C/2°), % 89 88,5 90 92,5 90,3 91,7 90,8 93,3 89 94 90
yellowness ASTM D1925-70 (C/2°), % 3 3,8 3,9 4 4,9 3,1 3 2,4 2,5 2,4 2,5
brightness ISO 2470 (R457), % 87 86,4 88 90 87,6 90 89,7 92,6 88 93,6 90
whiteness ISO 11475 (D65/10°), % 81,5 79,9 80 85 80 85,1 84 90 83 91 88
Oil absorption ISO 787/5, g/100 g 18 22 42 44 24 19 25 34 30 39 45






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Impexinvest LLC
Moscowskiy prospect, 257
Kharkov, 61044, Ukraine
Phone/fax: +38 (057) 758-59-56
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