Headbox sheets for tissue machines
Valmet Headbox Sheets incorporate technological know-how based on over 40 years of OEM experience in providing this product
Headbox sheets used in the headbox are vital for producing a uniform jet flow from the headbox slice to the forming section. The sheets have a significant impact on tissue quality features such as formation, CD basis weight profiles and layer properties, all of which affect the overall tissue machine productivity.
Benefits
- Improved sheet formation
- More uniform CD basis weight
- More clear and defined layers when running in layering mode
Valmet Headbox Sheet PC is the most widely used sheet material
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The most commonly used sheet material is polycarbonate (PC), also known as Lexan.
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Valmet Headbox Sheet CF provides long useful sheet life from 3 to 7 years |
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Carbon fiber sheets are made in one piece: hinge and sheet are combined to each other without glued joints.
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Valmet Headbox Sheet GF glass fiber vane for tissue headboxes |
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Valmet Headbox Wedge GF for improved control of headbox flow turbulence |
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Headbox Sheet PVC |
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Valmet Headbox Sheet PVC provides good chemical resistance for lower temperature applications.
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Headbox Sheet PVC-C |
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Valmet Headbox Sheet PVC-C offers good chemical resistance combined with good thermal resistance.
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