TABLE 4.3
Fluoropolymer Lining Systems
Lining System
Thickness, in.
(mm) Maximum Size Design Limits
Installation
Repair
Considerations
Sprayed Dispersions
FEP 0.04 (1.0)
PFA 0
.01–0.04
(0.25–1.0)
PVDF 0.025–0.03
(0.06–0.76)
PFA with mesh
and carbon
0.08 (2.0)
PVDF with
mesh and
carbon
0.04–0.09
(1.0–2.30)
8 ft.
(2.4 m) dia.
40 ft. (12.2 m)
length
Pressure
allowed.
Vacuum
rating
undetermined
Primer and multiple coats with
combination
2 psig equipment.
Each coat
is baked
Hot patching is
possible,
but testing
is recommended
Electrostatic
Spray Powders
ETFE Up to 0.09 (2.3)
8 ft. (2.4 m) dia.
40 ft. (12.2 m)
length
Pressure
allowed.
Vacuum rating
undetermined
Primer and multiple coats
applied
with electrostatic
spraying equipment. Each coat
is baked
Hot patching is
possible, but
testing
is recommended
FEP 0.01–(0.28)
PFA 0
.01 (0.28)
ECTFE 0.06–0.07
(1.5–1.8)
PVDF 0.025 (0.64)
Liquid-Applied Linings
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