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topic 17676

PVC Dipping to form thin transparent product


2002

I am looking for a source of detailed information on dipping of pvc to form transparent products with a thickness equivalent to that of packaging film.

Most appreciated would be information on:

Simplified explanation of the dip process
Suitable Resins and primers
Temperature of dip tank
Temperature of former
Any post dipping processing required e.g. chilling.

I am a degree qualified mechanical engineer but have little knowledge of the dip molding process.

Many thanks,

Joe Gibson
- Nottingham, Notts, UK


2004

What kind of piece do you want to make ? You can make dipping with PVC. So you need :

1. to produce a plastisol (Paste-PVC + DINP + stabilizer + pigment)
2. the piece is dipped in the plastisol bath
3. Cured in an oven 180 °C

That the basic idea. The difficult point is to get the right rheology and viscosity level in order to get the proper layer thickness.

Steve VINCENT
- Strasbourg, France

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