Plaster drying with compressed air

Success through a shorter drying time

Ottobock’s sets for drying plaster with compressed air help you save valuable time when drying plaster models. This technique involves a 5-m-long porous hose and a compressed air hose with a ball valve, quick couplings and five heatresistant adapters. The hose is cut to the appropriate length to fit the plaster model and embedded in the plaster model with the compressed air adapter.

When compressed air flows into the hose via the ball valve, the porous structure of the hose distributes the compressed air evenly in the plaster. This lets excess water flow out of the plaster in a controlled manner without causing cracks in the plaster.

This process can significantly reduce the time required for drying a plaster model. The components are heatresistant to 130 °C, which means the plaster model can later be used in the Ottobock plaster drying oven or Ottobock convection and prepreg ovens for further drying and for processing carbon and prepreg materials.

All benefits at a glance

Saves time when drying a plaster model
Heat-resistant components (up to 130 °C) so plaster model can be processed further in an oven

Technical data

Article number	756G9	756Y90
Version	Plaster compressed air starter kit	Plaster compressed air consumables kit
To be used for	For drying plaster (porous plaster, alabaster plaster). Compressed air presses most of the excess water out of the plaster without damaging the plaster model. The drying time can be reduced considerably as a result.
Scope of delivery	756Y91=1 plaster lamination adapter, 5 pcs 756Y91=2 hose, porous, 5 m 756Y91=3 plugs for porous hose, 5 pcs Compressed air kit consisting of compressed air hose with quick couplings and ball valve to regulate compressed air, 1 pc	756Y91=1 plaster lamination adapter, 5 pcs 756Y91=2 hose, porous, 5 m 756Y91=3 plugs for porous hose, 5 pcs

Application example

Practical application example

Plaster: 87G4=25 plaster, porous
Fitting: above-knee (TF)
Weight of plaster model: 8 kg

Drying time without compressed air drying:
3–4 days in a convection oven at 65 °C

Drying time with compressed air drying:
15 hours in a convection oven at 65 °C

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Plaster drying with compressed air 99.27 kB | PDF

Plaster drying with compressed air

Success through a shorter drying time

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