Calender covers

VRS CLEAN

VRS CLEAN

Applications: Breast rolls, forming rolls, wire and table rolls

Technical data

  • Hardness:0 -3 P&J
  • Thickness:6 -10 mm
  • Colour:Green
  • Temperature resistance:Up to 120°C
  • Doctoring:Metal or carbon basedpolymer doctor
VRS-CLEAN rollcover has been developed especially for wire guide rolls where excellent cleanability is required.The PTFE addition of VRS-CLEAN also provides for very low friction properties.

Advantages

  • Easy cleanability
  • Good release properties
  • High wear resistance
  • Resistant to common paper machine chemicals
  • Extremely low friction
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Huoltosopimukset Vaahto Paper Technology

VRS-CARBIDE C

Applications: Chilled cast iron, thermo and deflection compensated rolls in super, soft and multinipcalenders

Technical data

  • Coating thickness:100 –300 µm
  • Hardness:1100-1200 HV
  • Surface finish:0,04 –0,08 µm
  • Max. usage temperature:No restriction
  • Max. allowed loading:No restriction
  • Color:Gray / chrome
  • Doctoring recommendation:Carbon based polymer doctor
VRS-CARBIDEC is a thermally sprayed tungsten carbide coating providing very long grinding intervals. Excellent wear resistance helps maintain good evenness of paper CD profile and prolongs grinding intervals.

Advantages

  • Excellent wear resistance
  • Long grinding intervals
  • Excellent surface quality
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VRS COMCAL

VRS-COMCAL

Applications: Soft and Supercalenders, Optiload and Janus calenders

Technical data

  • Hardness: 88-92 ShD
  • Thickness: 12,5-15 mm
  • Colour: Red
  • Temperature resistance: 135°C
  • Maximum load: Up to 600 kN/m*
  • Doctoring: Carbon fiber or fiberglass blades
  • Maximum load depends on roll diameter and application conditions
VRS – COMCAL is a homogenous and smooth composite cover for all calendering applications. It has very good wear resistance allowing long running times between regrinds. Excellent thermal resistance and good tolerance against impacts and wads provides trouble free operation and good damage tolerance.

Advantages

  • Excellent thermal resistance
  • High wear resistance
  • Good impact and wad tolerance
  • Very good surface quality
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