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"S" Calibrated Underlays
Hunter Penrose is a convertor of manila underpackings. Manila paper is used as an Underpacking for control of the pressure for ink transfer and to compensate for different thicknesses between the printing blanket and the printing plate. Underpacking sheets are fitted in the gap between the blanket / plate and the blanket / plate cylinder.
S Type manila is well known for its hardness and non-compressibility. S Type is a hard, high density abaca Manila and is being increasingly specified in the security printing sector. The product is supplied is a range of popular press sizes and thicknesses are colour coded.
The same quality is also available as pressboard. Eveness with excellent gauge tolerance is achievedwith a very precise calibration process. The high mechanical strength and consistent quality of this underpacking guarantees very high durabilty in Intaglio presses. Our press board types are very poular for banknote printing.
S Type is a less costly alternative to polyester foil.
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