Non-Woven Bags with appropriate finish for Coal & Cement Mill Product Collection Bag Houses
S. N. Head UOM Requirement for
Coal Mill
Requirement for
Cement Mill
2 Base Fabric NA 100% Acrylic
Homo- Polymer
(PAN)
100% Acrylic
Homo- Polymer
(PAN)
3 Specific Weight of
Fabric
Gm/M2 min. 600 Min. 600
4 Fabric Construction NA Scrim Supported,
Heavy Duty Nee-
dled
Scrim Supported,
Heavy Duty
Needled
5 Treatment NA Heat Set & Stabi-
lized, Signed Cake
Side, Oil & Water
Repellent Coating
Heat Set &
Stabilized, Signed
Cake Side, Oil &
Water Repellent
Coating
6 Anti-Static Capability
required
Yes / No Yes NO
7 Anti-Static Capability
provided by
NA SS wire / SS Fibre
Impregnation
Not Required
8 Nominal Thickness MM Supplier to confirm
(> 2.0 MM)
Supplier to
confirm (> 2.0 MM)
9 Mullen Burst
Strength
kg/cm2 Supplier to confirm
(> 35)
Supplier to
confirm (> 35)
10 Filtration Efficiency
for 5 micron size
particles
% >99.99% >99.99%
11 Air Permeability of
non-woven filter bag
with / without any
coating
CFM/ft2 @
0.5" WG
Max 20 to 30 Max 20 to 30
B Stitching
1 Stitching at Country /
Company
Supplier to confirm Supplier to
confirm
2 Stitching of bags
with micro porous
monofilament PTFE
threads
Yes / No 100 % by PTFE
Thread / Imported
Acrylic
100 % by PTFE
Thread / Imported
Acrylic
3 Stitching of Sub
Assembly with micro
porous monofilament
PTFE threads
Yes / No 100 % by PTFE
Thread / Imported
Acrylic
100 % by PTFE
Thread / Imported
Acrylic