Idropol

  • hardness range 45-95
    hardness range 45-95
  • max load 30 [Kg/cm]
    max load 30 [Kg/cm]
  • max temp 120°C
    max temp 120°C
  • Speedwell System
    Speedwell System

Elastomer used to coat ink rollers for Schlotter presses. Ideal for printing on corrugated cardboard and applications where chemical resistance against oils, benzene and alcohol is required. Cleaning with gasoline or with a blend of 80% Ethyl alcool and 20% ethyl Acetate.

All the special Rossini conpounds are available both in Speedwell Sleeve configuration and Rubber roller.

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