We Offer Best Grade

Dampening Printing Rollers

Product Detail

The job of dampening form rollers is to take up the fountain solution uniformly from the transfer or metering roller, transfer it to the printing form and provide a good ink-fountain solution emulsion. When a dampening film is taken up by a dampening form roller, the film is stretched, as the dampening form rollers runs much faster than the metering roller.
We offer both Conventional system & Alcolor system of Dampenning rollers.

The job of dampening form rollers is to take up the fountain solution uniformly from the transfer or metering roller, transfer it to the printing form and provide a good ink-fountain solution emulsion. When a dampening film is taken up by a dampening form roller, the film is stretched, as the dampening form rollers runs much faster than the metering roller. Here, it is important that part of the fountain solution is emulsified in the ink. Thin negative lines and structures in the image are kept free of ink by the fountain solution emulsified in the ink which is released, when the emulsion separates under the pressure of the plate roller.

 In the dampening unit there are also rollers that receive the water and rollers that give the water to the printing plate. Accordingly, there may be two different dampening systems:

  • Conventional system
  • Alcolor system
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Alcohol Dampening Rollers

Alcohol Damping Roller supplies alcohol for printing objects in the Offset Printing. It is having the mixture of alcohol and water in it, the percentage of alcohol and water varies for machine to machine and depends on the object to be printed. The alcohol roller is used naked or without cover. If the roller has converted from water to alcohol then the diameter should be increased.

 Ideal compound for Dampening, Pan and Metering roller for IPA, IPA-reduced and IPA-free printing.

Suitable for Sheetfed&Webfed offset application.

BENEFITS

  • Resist wear & tear due to metering action.
  • Good and even wetting due to hydrophile (water - friendly) formulation.
  • Resists shrinking, swelling, hardening and abrasion.
  • Faster startups due to rapid attainment of the ink water balance.
  • Light roller settings.
  • Good fountain solution transferability.
  • Excellent resilience.

We at SIGMA ROLLERS have following grades to meet your requirements

  • AquaFLO6 :- For alcohol contents upto 6%
  • AquaFLO10 L- For alcohol content 6-10%

Define needs

AquaFLO6

A dampening compound that delivers unparalleled water balance to achieve superior print quality. New AquaFLO6 compound generates a precise water film on the metering pan roller for the fountain dampening delivery system. This rubber grade is specifically designed for high performance printing press.

 Benefits:-

  • Enhanced resistance to distortion and chemical attack
  • Excellent water control, resulting in dramatically lower dampening speeds
  • Consistent and highly controlled dampening delivery for excellentwater balance.
  • Ensures minimum make-ready waste on press.
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AquaFLO10

A Dampening compound that transfers and delivers a precise film of water and ink to achieve superior print quality. New Aquaflo10 compound provides optimum transfer of a uniform and consistent film of dampening fluid to the printing plate. AquafloFLO10 roller offers improved abrasion resistance.

Benefits:-

  • Excellent dampening application to the image.
  • Improved abrasion resistance to edge marks from plate and paper
  • Enhanced resistance to distortion and chemical attack
  • Resists surface deterioration from high speed differntials

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Yangal Kathmandu Nepal  
info@jatraders.com 
Phone - 4253479

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+977-1-4249706 Yangal , Kathmandu ,Nepal