Trouble name |
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The foam density increases as the EPS beads shrink after the foaming process. |
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The raw materials are not expanded at the desired ratio, or foaming speed is too slow. |
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Inconsistent expansion during the foaming process causes variations in weight between products. |
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The product is set on fire for a while. It keeps on burning after the source of fire is removed. |
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When the molding product ruptures, the beads are not torn. Instead, the beads fall out in particles. |
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The molding product is not ejected easily during releasing. |
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The cut plane of a sheet product is rough. |
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The molded product contains too much moisture. |
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The molding product shrinks after releasing. |
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The molded product swells during release or drying. |
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The EPS beads cling together during the pre-expansion process to form lumps. |
EPS Processing