Esa Rubber H - Formula 1

Rubber-coated roller with steel core and/or Speedwell sleeve with conductive fibreglass conical base. Esa Rubber H coating ground to measurement.

Colour

Black

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

10 - 35 [mm] // 0.392 - 1.373"

Min coating thickness to guarantee after grinding

8 [mm] // 0.315" - 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

70 - 90 Shore A

Maximum resistance to pressure

20 [Kg/cm]

Electrical resistance

Rollers and Speedwell Sleeves are designed and built according to technical specifications released by the manufacturers of ESA systems and the type of application of the electrostatic charge (Top Loading - Side Loading - Direct Charge)

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

150 °C / 302 °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

Alcohol - Acetates max 30% - MEK max 20% - Water - Ozone