INFO & CONTACTS
Head Office - Administrative Office -Production
Via G. Galilei 4 40053 Valsamoggia, Loc. Monteveglio - BO - Italy
Ph +39 051 830393 Fax +39 051 830066
Metco is a leading company in the field complex penetrating metals for porcelain tile decoration.
THE BEST PRODUCTS SELECTED METCO - 100% ITALIAN
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THE BEST PRODUCTS SELECTED METCO - 100% ITALIAN
SOLVENT SOLUBLE INKS
In the field of digital decoration, Metco has developed the range of colors soluble Sinkmet, can penetrate for several millimeters in the support, so as to make possible its lapping thrust.
If the pigments are micro ground to continue to provide a high definition, the colors soluble Sinkmet, however, allow to intervene on the technical porcelain stoneware obtaining grain and the aesthetic developments extraordinary (without the aid of glasses or glass sandwiching), while maintaining the technical characteristics of porcelain stoneware, such as resistance to abrasion and low dirtying. The colors Sinkmet for digital decoration penetrating are a specialty cromofora completely soluble. Are certified by the major houses of production digital printers and available in 8 colours, based on complexes of metals, common and precious - such as Ruthenium (Ru) and Gold (Au) - in addition to a wide range of agents, penetrating, and sophisticated systems of alteration of the dough. These elements combine to guarantee the naturalness and the beauty of technical porcelain, typically in search of imitation of natural stone and marble, with chromatic nuances, the unique.
- 4 Basic colours CMYK
- 1 precious metal dark black colour [Ru]
- 1 precision metal intense magenta colour [Au]
- Boiling point higher than 250ºC
- Solvent of aliphatic nature (kind of naphtha)
- NO solid content
- Colour replacement time in the inkjet circuit 60-90 min
- PENETRATION in the ceramic body up to 0,5 mm
- SINKING AID required 10-50 gr/sqm
- Totally manufactured in Italy by METCO chemical plants
- Fully certified from the major machinery and head manufactures
- Possibility to produce fully lapped tile whitout any glaze or
additional cover (no sandwiching)
- Minimizing stripes printing due to a little diffusion of the single
colour drop, masking the eventual lack of a nozzle
Possible bars configurations
Sinkmet and Sinking aid are eventually alternately loaded in the bars in order to obtain a deeper colour penetration.
To replace the inks, pigmented inks and soluble SSI cleaning is required (multiple steps depending on the complexity of the residual) with SINKMET AT.
To replace the inks soluble SSI with other colors, it is necessary to wash with SINKMET TO.
(POST TREATMENTS) SINKING THE COLOURS INTO THE BODY
Are the products applied with the normal bar digital that promote the sinking of the color of the SSI inside the ceramic body, be it in dual-boot or applied to the chain.
As said, they have applied to bar digital by reducing the amount to use as they act directly where the design requires it then in a selective manner. For the production of finishing honed serve from 10 to 50 gr/sqm. For the production of a polished finish (where the sinking must be greater than 1 mm) the application of
affondanti can reach 300 grams/square meters.
Codes available at the moment:
Sinkmet EE-BS-DG, other affondanti are designed for specific compositions of the mixture.
- Sinks the colours into the porcelain body (tuning the colour)
- Organic nature
- Digitally applied (localized on specific drawing areas)
- Amount 10-50 gr/sqm
CUSTOMER ADDITIVATED BODY SLIP
CUSTOMER ADDITIVATED BODY SLIP
It is possible to have a large Gamut thanks to some additives developed by METCO despite the very low cations concentration due to SSI dispersion inside the body.
Metco additives have to be added to the body slip. 2 possible industrial applications:
ADDING METCO ADDITIVES (METOX) TO THE CUSTOMER'S SLIP*
LITOMET PE 60 (METCO)
METOX 900 (METCO)
METOX 1100 (METCO)
METOX 200 (METCO)
Option to get a slip more
white: ZIRCONIUM SILICATE KE 5,0%
DENSITY 1650-1750 gr/l
DRY RESIDUE at 45 micron : 1-3%
Or BELL 500-700 gr/sqm of dry material
Example of application of the slip applied with a chain or bell up to the 400-600 micron thickness sufficient to obtain
CUSTOMER GRES * LIQUID SLIP PLUS ADDITIVES GRES PORCELAIN SLIP
(UNIVERSAL FORMULA FOR WET APPLICATION)
*The basic composition and adapted to
working conditions of the customer
Example of application of the slip atomized. 2000 micron thickness is sufficient for obtaining a
The addition of promoters chromophores in the mixture of the customer makes to obtain substantial performance from the point of view of the development color, significantly expanding the colour Gamut. These additives can be added either in the liquid phase (slip) of the mixture, which in the initial charging of the mill.
As A result of this preparation will make it possible to have two types of applications:
The first (and most obvious liquid) application directly to the ceramic body through the use of supply chain pressure (application of at least 400-600 microns) while the second one (with different destination of use) once
spray the slip is then applied as a double layer all the dry double-loading.
You will always and surfaces “TECHNICAL” with a hardness similar to the Technical Porcelain pure, easy cleanability of the surface and a very high resistance to scratching due to the absence of fragile materials such as glass (typical instead of the glazed products made by other manufacturers of inks).
Subsequent finishes, Honed or Polished, thus giving it an added value that assimilates these artifacts to natural marble, both for aesthetics and for the variety of colours.
The typical configuration of the line, if you choose to apply the Slip modified with Metox directly by supply chain pressure (liquid), is the following:
-glazing line of at least 80-120 mt
-at the exit from the dryer after pressing it is necessary to cool the surface of the tile using a jet of water with an airless
- application of Slip changed with Metox through a chain of pressure (500-700 gr/sqm
the dry product divided into 2 applicators)
-a baby walker place between the sectors will rotate the tile by 90° (to avoid the effect of the vertical line)
-after the deposition of the layer you need to scrape the edges and proceed to dry the surface of the tile, which can be accomplished in these ways:
- bring the artifact in a kiln to more than plans for at least 3-5 minutes (drying or forced)
- leave to cross an empty space of the line (at least 80 metres)
- preventing the influence of water that the medium is absorbing.
A | SSI SLIP APPLIED WITH TWO CHAINS
The addition of colour enhancers to the customer’s ceramic body makes it possible to achieve significant performance from the colour development perspective, thus greatly extending the chromatic range.
This option requires the addition of colour enhancers to the customer’s slip, adjustment of the rheology, and atomization of the slip to obtain a powder to apply using the double charging technique. In the case of SSIs with application on double charged ceramic bodies, the entire process can be performed in a very short section of production line (as little as 30 metres). The additivated powder is applied in the press or immediately upstream from it. The necessary quantity is added to obtain a layer of 1 – 1.5 in thickness.
The substrate to be decorated, composed of two layers, leaves the dryer and, once the surface temperature has been lowered to 40 - 50°C, the decoration is applied by means of a digital printer for SSIs, normally equipped with 6 bars (4 for colours and 2 for sinking aids – in the most sophisticated installations the bars can be 8 or even 12 in number depending on the complexity of the required decoration). The procedure described above is the final operation, thus showing the simplicity of the production process.
B | SSI DIGITAL DOUBLE LOADING
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