Green ESA PU

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

Colour

Green

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

80 - 95 Shore A

Maximum resistance to pressure

50 [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

90 °C / 194 °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 - Water - Isocyanate - Ozone

Cleaning Procedure

Use gasoline or with a blend of 80% Ethyl alcool and 20% ethyl Acetate. Dry the surface before stocking.