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BLUB Verlag - the books ...

The book „Blown Film Extrusion – A Science in Itself? “is for the daily work with Blown Films.

The main contents are the using with “MONO – Blown Film lines” and you can find them in a lot of film production halls worldwide.

The book is available in German, English, Spanish and Turkish language.

Here you can find a short summary which are included:

1. Chapter: What is a Blown Film Line and what does it consist off?

- the different working ways
- the most important machinery parts

2. Chapter: Configuration of an Extrusion Line

- important points, you have to think about!

3. Chapter: How to use an Extrusion Line

- Bubble stability reasons:

- Material, Temperatures, Inputs, Filters, Blow head
- Air-ring, without IBC, with IBC, Blow-Up-Ratio
- Haul Off

- Film problems reasons:

- Profile, strengths, film distortions, blockings,
- Stripes, Deposits, melt fractures, gels
- wrinkles, fish eyes, birds, oils / wax
- surface, striation, edge displacements,
- stars

- Configurations:

- Heating phase, Start Up, reaction with cooling, IBC, centring, optimising of temperatures, winding / kind of rolls and Cut systems, Switch Off

- Formulas:

- different tables for calculating