Idropol

  • mechanical resistance | products | Rossini s.p.a.
    mechanical resistance
  • HD print level | products | Rossini s.p.a.
    HD print level
  • max temp 120°C | products | Rossini s.p.a.
    max temp 120°C
  • hardness range 45-90 | products | Rossini s.p.a.
    hardness range 45-90

Elastomer used to coat ink rollers for Slotter presses. Ideal for printing on corrugated cardboard and applications where chemical resistance against oils, benzene and alcohol is required. Available in a coated steel roller and Speedwell sleeve version.

Rubber-coated roller with steel core and/or Speedwell sleeve with fibreglass base. Ground to measurement Idropol coating.

Colour
Grey
Rubber-coated roller - Min / Max diameter
35 - 550 [mm] // 1.373" - 21.569"
Rubber-coated roller - Min / Max length including pins
150 - 5.000 [mm] // 5.882" - 196.078"
Speedwell Sleeve - Min / Max diameter
80 - 450 [mm] // 3.137" - 17.647"
Speedwell Sleeve - Min / Max length - Tolerance UNI:ISO 2768T1m
350 - 3500 [mm] // 13.725" - 137.255"
Coating thickness
5 - 35 [mm] // 0.197" - 1.373"
Min coating thickness to guarantee after grinding
5 [mm] // 0.197" - Grinding value at a minimum must be supplied by the client based on the possible adjustment of the printing press
Surface hardness - Tolerance +-3 Shore A
45 - 90 Shore A
Maximum resistance to pressure
30 [Kg/cm]
Compressed air for sleeve assembly
12 - 20 [bar] // 174 - 290 PSI Minimum capacity: 700 [l//min] with air input having a free passage with D => 8[mm]
Maximum temperature resistance
120 °C - 248 °F
Working tolerance
External finishing with precision grinding (Ra=0.8) with T.I.R. < 0.03 [mm] when measured on a mandrel with T.I.R. <= 0.005 [mm]
Resistance to chemicals
Gasolines - Alcohol - Water - Oil - Ozone