Micro-Aire® LF-40 pages

Micro-Aire LF- 4
®

Liquid filtration glass air media

Description
Micro-Aire LF- 4 filter media is a fibrous blanket composed of glass fibers and phenolic resin.

Application
Micro-Aire LF- 4 is designed to be fabricated into liquid/gas separators, liquid/liquid coalescers, solid/liquid and solid/gas
filter cartridges.

Average Physical Properties

THICKNESS TYPES
5/16"
Unbacked

1/4"
Unbacked2
COMPOSITE BASIS WEIGHT
THICKNESS
INITIAL FLAT SHEET PRESSURE DROP1
1
2

1/2"
Unbacked2

5.0

(54)

6.8

(73)

11.3

(122)

in (mm)

0.25

(6.4)

0.31

(7
.9)

0.50

(12.7)

in wc (Pa)

0.17

(42)

0.38

(95)

0.45

(112)

g/ft 2 (g/m2)

Nominal pressure drop is measured at an air velocity of 25 ft/min (0.13 m/sec) through a 2 ft x 2 ft (0.61 m x 0.61 m) flat sheet.
Check for availability of other backings.

Packaging
Roll Core ID: 2" (50.8mm)
Contact JM for Width and Length sizes
Standard Roll Width: 84" (2.14m) max
Standard Roll Length: 200' (61.0 m)
The physical and chemical properties of Johns Manville products represent typical average values obtained in accordance with accepted test methods at
the time of manufacture and are subject to normal manufacturing variations. The information regarding properties set forth in this data sheet is provided
as a technical service and is subject to change without notice. For additional product and warranty information, contact your local Sales Representative.

ISO 9001:2008

Engineered Products North America (EPNA)
Johns Manville, PO Box 5108, Denver, CO 80217-5108t 800.654.3103tJM.com

10/2012
© 2012 Johns Manville