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November 1984 PIGMENT AND RESIN TECHNOLOGY 15 Smal l offset machines and supplies specialists, speedil y mixed and the high quality control Ricas Ltd, Chandos Rd, London NW10 6UP have techniques applied during manufacture ensure the launched a new superior black ink called Ricas consistent colour and high strength of the ink is Diamon d Solitaire, specifically for use on small maintained. offse t and systems machines. Developed in A handy-to-retain colour guide for print buyers/ conjunctio n with major international ink specifiers and inhouse designers as well as for manufacturers, Coates Brothers Limited, British- inplant and instant printshop operators is being made Solitaire ink has a new specification and can supplied by Ricas. only be obtained through Ricas Ltd. The formula is Commenting on the customer benefits of the new the result of understanding and responding to the Ricas Diamond Solitaire Black and Colour Ink special needs of inplants and instant printshops Systems, Sales Director, Steve Rowe, states: 'Sales wit h equipment ranging from the smallest of of black ink account for 95% of the market. It is presses with limited rolling capacity through to widel y accepted that most inplants and instant highspeed systems machines with high rolling printshops steer clear of colour work if they possibly power, combined with advanced ink technology can because of difficulty in mixing and matching and stringent quality controlled manufacturing and in running and cleaning down the presses. It is centralised at one plant location. obvious our new superior Solitaire Black ink will dramatically increase our business. Apart from the Versatile Solitaire ink is purpose-made for use fact we have eliminated excess tack and given the wit h electrostatic, photo-direct, direct image and all ink much more flo w without detracting whatsoever systems type plates. The secret of its success lies in fro m print density and coverage, we have paid its ability to flow well under all conditions yet attention to other important criteria such as ability retainin g sufficient density to give excellent to perform with diverse paper stocks and ensuring coverag e with minimum tack. Its comlete its open time on the press takes into account the compatibility with these plates is illustrated by the norma l weekly washdowns of the majority of fact that the Solitaire ink enhances and gives longer inplants. We then decided to encourage the use of life to the plates. Inks that are 'too tacky', although colour inhouse by making colour printing on small fine for metal plates, tend to reduce the life of offset and systems machines that much easier. polyester and paper based plates. This is because Taking the initiative we decided to extend the new the images on these plates are not so robust as on a formulation across the whole 22 basics in Coates metal plate. 50/50 Colour System. In addition Ricas and Coates have not overlooked th e challenge of producing a universal ink to perform with the most diverse range of paper stock in terms of drying ability for fast turnround and backing up. Furthermore the new ink had to be formulated to stay open and fresh on the press for Ne w pigment s fo r printin g inks up t o a week t o coincide wit h normal washdowns as ICI has further strengthened its range of Lutetia practised by most inplants and small offset press pigments specifically designed for ink applications. users. The lastest additions developed by the ICI printing ink laboratories in Villers St. Paul, France, in Having developed the new formulaton black ink, conjunction with the research and manufacturing Ricas and Coates decided to introduce its new resources of ICI in the UK and France, are in the specificatio n across Coates entire and well- ranges of rubine and yello w pigments. established 50/50 Colour System. This has resulted in the simultaneous launch of the Ricas Diamond A new range of Lutetia rubine 350 pigments for Colour Ink System. Incorporating all the benefits offset and heat set inks, compared to the classical and the 22 basics of the 50/50 Colour System, Ricas range of Lutetia rubine pigment red 57:1 products, exhibits improved Theological properties. Their say that the aim is to assist inplants and instant lower viscosity and yiel d value in offset and heat set printshops to achieve colour printing without any fuss or hassle. inks allows ink makers to prepare concentrates containing up to 40 % pigment in varnishes, on triple Inheren t in the new Ricas Diamond Colour roll mill or bead mill. System are the benefits of the Coates 50/50 Colour The new composition of this range allows long System. For example, due to the 22 basics a high runs with less difficulty from problems such as proportion of routine colour work such as matching calciu m precipitation in fountain distribution letter-headings , logos and spot colour can be systems which cause staining of the printing plate undertaken without blending, the full range of 350 and incomplete ink transfer. colour s including matching Pantone colours is immediatel y available by mixing in simple ICI offers a complete range derived fro m the same proportions of 1:1 or 2:1 , no colour matching skills basic molecule, whos e colour properties range from are required, small quantities of ink are easily and an opaque yellow to a transparent blue.
Pigment & Resin Technology – Emerald Publishing
Published: Nov 1, 1984
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