Art rubber stamp production

Figure A - Sample A as illustrated above is to represent a real red rubber die sheet. The
arrow points an upright side bridge wall indicating a 90 degree angle almost straight up
from the stamp die floor base to the top character base rim (see fig: side view sample C).
To accomplish this type of a finished rubber die product as equal if not a mirror likeness
image of an artwork when stamp printed, a customer needs to provide a well executed
art design sheet of print. A picture on the right is a reproduction sample rubber die mounted
on a wooden base showing the distinct line clarity of the die product.
Why is this so important?
The finished product as shown on the far right reflects the exact relief values from fig: side view sample C from sample A
above. What it does is it avoids easy over flooded inked deposits. Notice it has deeper relief in-between character lines
than that of fig. sample D! As it is also for the same product sample that when it is applied it shows a clear characteristic well defined print impression. The opposite could be said on sample product fig. sample D or B which in far contrast makes
printing or stamping much difficult to accomplish since a great high percentage of the problem are from the excessive ink
deposit or from ink saturated character die due to low relief as shown clearly on fig: sample D above. Far from lucking deep
character etching, in additon the rubber die itself expands from pressure from stamp applications and with a character die slope more slanted or lesser than a 90 degree angle then an unsatisfactory print result will prevail.

Sample B - sample picture B above shows a more slanted edge than fig. sample A
and C making out a shallow die relief in character dept as seen on fig. sample D. This
is a result primarily due to a poorly done artwork. An artwork execution determines
the outcome of the finished die. Art lines, strokes and contrast value from black print
against white paper are all important factors and vital, and with anything less than that
,rubber die sheets will result almost entirely as what is shown on the far right sample.

Production:
To better understand - we have added here 4 basic steps in art rubber sheet production

a) Film,   b) etched plate,   c) board,   d) rubber sheet.
film negative- it is a basic first step after creating a printed artwork, it is a dark-room chemical process between a printed
                        artwork and Litho-film camera device machine that incorporates and makes a transparancy negative (black
                        and white) film. The state of a transparancy film product reveals how well or bad the art is!
Note:
if the camera can't or doesn't capture all the art lines in black contrast to white then you will have a broken D or B product.

Etched plate- is a photo chemically treated magnesium metal plate. It recquires contact light exposure using film (above)
                          against photo plate. Metal photo plate begins its process by a deep acid bath. Etching or etched plate are
                          the first initial step for an actual physical hard mold which is known for as a negative-mold. By negative-mold
                          it means that the characters are read in reverse way.The typical etched finished metal plate holds to evaluate
                          the quality of what would then be the rubber sheet, this is base upon due to how well made the photo plate
                          is from the acid bath processed from the film negative.

Matte Board is a type of wooden fiber board, it is a type molding board for pressing (rubber gum) purposes that will create
                          a right readable text or line image. This board after being pressure treated from the etched metal photo plate
                          above becomes the official "master-board" for rubber stamp sheet reproduction.

Rubber sheet are untreated raw gum that interracts well when cured after being pressed against the master-board at a high
            temperature from a control vulcanizing press unit. Cured rubber gum then are the final complete product after pressing.