Page 2 - Parker - Parker ProBond competitive advantage filter cartridge evaluations for industrial coatings and applications

P. 2

™
ProBond Performance

Test Protocol Results
Competitive cartridges, rated 5,
Size at Size at
10, 25, 50, and 75 micron nominal, Published Competitor DHC Parker DHC
were tested per ASTM F-795-88 Rating Product (gm) 90% ProBond (gm) 90%
Removal Removal
Single Pass Test Method using
standard SAE Test Dust in water at 5 A 91 12μm PRO5-9 80 8μm
a fl ow rate of 3.5 gpm per 10-inch 10 B 115 13μm PRO10-9 182 12μm
cartridge to a terminal pressure 25 C 178 18μm PRO25-9 188 22μm
drop of 30 psid. Dirt-holding 50 D 223 26μm PRO50-9 219 38μm
capacity (DHC) data, defi ned as
75 E 373 35μm PRO75-9 358 80μm
the weight of contaminant added
to reach terminal pressure drop,
was then compared to Parker Pro- Competitor Product Parker ProBond
Published
Bond™ cartridges. Particle removal Rating Turbidity Efﬁ ciency % Turbidity Efﬁ ciency %
effi ciency was determined using Initial Middle End Initial Middle End
a Coulter Multisizer II automatic 5 60 94 97 84 87 88
particle counter. Th roughout 10 52 90 90 47 71 78
the test inlet and outlet turbidity
25 49 97 97 34 78 78
was measured with on-line Hach
50 67 92 93 37 71 74
Model Ratio 2000 D turbidimeters.
75 31 78 82 33 40 44
CONCLUSIONS

1. In comparing dirt-holding customer fl exibility to make fi ber dust fell off the fi lters
capacities of competitors’ required adjustments in their because of the short fi bers
cartridges, performance is specifi c application. and machined surface. Such
comparable. However, based dust can easily contaminate
on fi eld experience in viscous 3. Th e turbidity data shows that fi ltered fl uids and cause
fl uids ProBond provides the competitors’ cartridges rejects. Th e ProBond spiral
extended service life because act as “clarifying” fi lters, wrapped cartridges were
large particles are captured i.e. effi ciency improves much cleaner.
in the coarse outer layer, steadily throughout the life
protecting the inner layer cycle. ProBond cartridges 5. Because ProBond cartridges
from plugging prematurely. act as “classifying” fi lters, are made with prime acrylic
i.e. effi ciency remains and polyester fi bers, they
2. Th e competitors’ products relatively constant during are certifi ed silicone-free.
show little effi ciency fi ltration. Classifying fi lters Th e competitors’ cartridges
diff erentiation between 5 are preferred in most coating could not be certifi ed
and 10 micron ratings. In applications because silicone-free because the
addition, their product at 25, desirable particles, such as source cannot be traced to a
50 and 75 microns refl ects pigments, are allowed to fi ber producer. Filters used
minimal performance pass the fi lter while large in the coatings industry
variations at 90% removal agglomerated particles are must be silicone-free
as compared to ProBond. retained. to avoid changes to the
ProBond cartridges are adhesion properties and
distinctly diff erent at all 4. While handling the eliminate blemishes in the
rating levels giving the competitors’ cartridges, coated surface.

1 2