Removing Support By Hand; Removing Support With Water Pressure - Stratasys J850 User Manual

Stratasys J850/J835 User Guide
The following types of support material available:
• SUP705/705B, a gel-like support material.
• SUP706/706B, an easily removed support material that dissolves in a
The support material can be removed from 3D prints using the following
methods, in this order:
1. by hand
2. water pressure (in a suitable cleaning unit)
3. SUP706/706B: 2% caustic soda and sodium metasilicate solution.

Removing Support by Hand

While wearing protective gloves, break away excess support material on the
outside of the 3D print. For delicate 3D prints, use a toothpick, pin or small
brush after dipping the 3D prints in water.
• For SUP705/705B, after breaking away excess support material, soak the
• For SUP706/706B, after breaking away excess support material, soak the

Removing Support with Water Pressure

For most 3D prints, the most efficient way to remove support material is by
using a high-pressure water jet. One suitable system is the Balco WaterJet
cleaning unit. This device is marketed by Stratasys.
Figure 5-1
DOC-18001 Rev. N
solution of caustic soda and sodium metasilicate.
SUP705/705B: 1% caustic soda solution (recommended for a smooth
finish)
3D print in a 1% caustic soda solution (see "Removing SUP705/705B with
Caustic Soda" on page 5-4).
3D print in a 2% caustic soda and sodium metasilicate solution (see
"Removing SUP706/706B with Caustic Soda and Sodium Metasilicate" on
the next page).
Balco WaterJet Cleaning Unit
5 Handling Printed Models
5-3