Samples

PSI

Passes

Results

75% Ag, 25% Pd powder in D.I. water

8800

10

Required pressure feed. Particle size from 20 to < 1µ

Wax dispersion,
lumberpreservative

12100

2

Preheat sample to 60C
Particlesize .136µ +/- 20%

Red ink, water based

10200

1

1-7µ originally, reduced to 0.11µ. Intensified color.

Green ink, water based

10200

1

1-10µ originally, reduced to 0.10µ. Intensified color.

Black ink (iron oxide)

10000

1

1-6µ originally, agglomerate reduced to mostly submicron.

10% Cobalt aluminate (pigment)

5000

1

Original size 0.95µ

10000

1

0.641µ ± 26%
0.553µ ±17%

20% Ultramarine
(pigment)

5100

1

Original size 5.48µ

10500

1

1.07µ +/- 41%
0.872µ+/- 51%

63% TiO2 w/blue pigment

 10000

3

Pigment aggreg. < 5µ
TiO2particles 1-2µ

14000

2

Uniform pigment aggreg.< 3µ

25% phthalo blue pigment in aqueous w/1% surf

15000

3

Viscosity increase noted.
Mostly primary particles.
< 1% were aggregates >10µ