Trouble name |
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The surface of the extruded sheet has uneven flaws. The cross-section of the sheet has a yellowish color. |
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Carbonized materials in a black color is attached on or inside the extrusion sheet. |
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The sheet of extrusion sheet contains foreign parts in a shape of pockmarks. |
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Streak( sharp shape) is formed on the extrusion sheet in the direction of extrusion. |
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The polymer melt has vented through the vaccum hole of an extruder. |
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Gloss of the extrusion sheet is poor. |
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Wave-like shape is marked on the sheet in the direction perpendicular to the sheet extrusion. |
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Uneven sheet thickness is produced due to the variation in the extruder throughput. |
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The extruded sheet bends. |
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Line marks on the sheet surface are formed in the direction perpendicular to the extrusion direction. |
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A streak is formed on the sheet in the extrusion direction. |
Sheet extrusion