The inking rollers are normally composed by the ink ductor roller (rubber rollers that first receive the ink), the ink form rollers (rubber rollers that give the ink to the printing plate) and the distributor rollers.
INKING ROLLERS : Suitable for sheetfed application.
We at SIGMA ROLLERS have following grades to meet your requirements.
1. Platina : for Conventional Ink
2. PlatinaUV : for UV-HUV and Hybrid Inks
3. Platina CU : for UV and Conventional Inks
It has the best resistance to conventional inks and is suitable for FOGRA-certified hybrid inks. It is also highly ageing resistant. It comes with an extended warranty period.
For both UV & Conventional Ink users the rollers are subjected to instability caused by chemical changes on the surface of the compound. 335.35 Compound remains extremely stable both dimensionally as well as in hardness.
Dimensional stability, ink transfer and dot gain are the major issues faced by printers today for UV inks. 345.45 Compound has exceptional quality of resistance to permeability of ink into pores thereby maintaining clean knap all the time.
Rubber rollers used in UV printing have ink fluidity problems however with 345.45 Compound, there are
Over a period of time, rollers used in UV printing are susceptible to faster rates of ink glazing caused by the ink penetrating into the pores of rubber
