Operating Instructions
Preparing an Alkaline Cleaning Solution
Page 8
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Preparing an Alkaline Cleaning Solution
SUP706 Support material is removed from printed models with an alkaline cleaning solution in
the cleaning station.
To prepare the alkaline cleaning solution:
1. Make sure that the cleaning station tank is clean. Remove all foreign substances, such as
material deposits from previous cleaning jobs.
2. Fill the cleaning station with water (see
).
3. While the cleaning station is agitating the water:
a. Add 2% NaOH (caustic soda) (CAS 1310-73-2), in the quantity shown in the table
below.
b. Mix the solution for 15 minutes.
c. Add 1% Na
2
SiO
3
(CAS 6834-92-0), in the quantity shown in the table below.
d. Mix the solution for 15 minutes.
Important:
• Before preparing the alkaline cleaning solution, read
.
• In the following steps, only use chemicals with the indicated CAS number.
Quantity
Water volume (liters)
16 gallons (60 liters)
2% NaOH (kg)
2.6 pounds (1.2 kg)
1% Na
2
SiO
3
(kg)
1.3 pounds (0.6 kg)