Longfield Plain Bar (LPB)
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A plain, unwound bar gives the lowest coating weight and can be supplied in any diameter and length to suit the application.
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Longfield Single Wire Bar (LSB)
![Longfield Single Wire Bar](graphics/diagrams/lsb2.jpg)
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Single close coiled wire bars give approximately one tenth the wire diameter in wet thickness. This is the most commonly used bar type.
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Longfield Compound Bar (LCB)
![Longfield Compound Bar](graphics/diagrams/lcb2.jpg)
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The Longfield Compound Bar gives a higher coating weight for a given pitch, as well as a greatly improved surface quality.
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Longfield Tri Bar (LTB)
![Longfield Tri Bar](graphics/diagrams/ltb2.jpg)
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The Longfield Tri-Compound Bar fulfils the need for heavier coatings but is used increasingly to produce a glossy, line-free finish on medium deposits.
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Longfield Rolled Bar (LRB)
![Valmet type](graphics/diagrams/type1.jpg)
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Also called "Grooved" or "Profiled" bars, these are prefered by paper mills and other wide-web coaters.
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