Plastic Industry Terms
There are 412 entries in this glossary.
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| Term | Definition |
|---|---|
| Nip Rolls |
|In film blowing, a pair of rolls situated at the top of the tower which close the blown film envelope, seal air inside of it, and regulate the rate at which the film is pulled away from the extrusion die. One roll is usually covered with a resilient material, the other being bare metal. |