Staedtler Mars Matic 700 Technical Pens

  • 700M Staedtler Mars Matic 700 Technical Pen
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Staedtler Mars Matic 700 Technical pens have Maximum Precision for drafting uses on tracing paper and matte drafting film.

  • Contains a Durable Chrome Plated Nib.
  • Uses Both Ink Cartridge or Refillable Ink Reservoir (included).
  • Double Sealing Cap System.
  • For Use with Drawing Ink on Tracing Paper.
  • Available in 0.18, 0.35 & 0.5mm Nib Sizes.

Staedtler 700 Mars Matic Technical Pens conform to ISO standards of line width and are compatible with lettering stencils that conform to this same standard.
700 Mars Matic Technical Pens feature a refillable reservoir and will perform only with compatible inks such as Rotring 591017 or Staedtler Mars M2.
The cap of the 700 Mars Matic Technical Pen features a double seal that helps prevent drying and clogging of the nib.
This seals the tip of the nib and the area between the pen body and nib.
As with all technical pens they were designed to perform a highly specialised function and an understanding of this is useful should you wish to use one for another style of drawing.
Full details follow.

Then: Staedtler 700 Mars Matic Technical Pens are a development that met the industry requirements of the time. These requirements, in brief, were to produce drawings in standardised line widths and lettering heights that were in the most opaque black lines possible on translucent papers such as trace and film.
This all related to the available technology of reproducing copies of the drawings using the Diazo method. Briefly this method used ultraviolet light to expose a sensitised paper that was laid underneath the drawing. This exposure removed the sensitised coating except where the ink lines on the drawing “shadowed” it. The paper was then separated from the drawing and “developed” by exposure to ammonia fumes – all this taking place in a plan printing machine.
The blacker and more opaque the lines the quicker you could print your drawing and often very large quantities were required so it was essential to maximise the efficiency of the process.

Now: The technical pen remains the means for laying down the blackest fine line possible and this has many applications outside the original intention of the design. While many are still in use for traditional manual drafting there is a following amongst designers and sketchers who appreciate the precision of this very specialised pen.
It should be understood that the Staedtler 700 Mars Matic Technical Pen, as with all technical pens, was only designed for use on tracing paper and film. Other types of media do not necessarily have a surface suitable for the fine tip of these pens and if fibres of such media get picked up by the pen point they will inevitably clog it up.
To achieve the opacity demanded the inks are made from a formulation of glue, soot and shellac. These are suspension type inks where particles of the black pigment (soot) is suspended in liquid.
This requires diligent care of the pen so as to avoid clogging. Regular cleaning of the helix to maintain air intake it is wise and keeping the ink reservoir close to full helps prevent flooding.
Of all operating tips the best is as follows. Always cap the pen immediately you stop drawing with it. If not capped the ink will quickly dry in the tip of the pen. If you cap it after this ink has been allowed to dry this dried contaminant can be pushed up in to the point making starting the pen next time difficult. If it becomes firmly blocked then shaking the pen to get the ink flowing can actually damage the internals of the nib. Always cap the pen when it is still working – draw a quick line – then screw the cap on firmly. This will greatly improve the odds of it starting again next time you go to use it.

Other Terms for these Products

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