Fabrics For Diaphragms
A key component of rolling diaphragms is the fabric reinforcement selected to ensure the diaphragm will withstand the application pressure and cycle life expectations. DiaCom has developed a comprehensive selection of standard fabric styles, each with specific physical characteristics that are selected based on weave patterns, tensile strength, formability and chemical and heat resistance capabilities, as well as other variables. DiaCom technical personnel are available to assist in selecting the proper fabric for a specific application.
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DiaCom
Material
Designation
Material
Designation
Color
Fabric Style
Fabric
Gauge
(Inches)
Gauge
(Inches)
Fabric
Gauge
(mm)
Gauge
(mm)
Maximum
Operating Temperature
Operating Temperature
Fabric
Tensile
Strength
(lb.)
Tensile
Strength
(lb.)
General Physical Properties
FA-0321
White
Polyester
.0031-.0040
.0787-.1016
302°F (150°C)
34
Light weight, special applications
FA-0503
White
Polyester
.0002-.0052
.0.051-.1.1321
302°F (150°C)
66
Light weight, special applications
FA-0605
White
Polyester
.0048-.0088
.1219-.2235
302°F (150°C)
64
Light weight, special applications
FA-0708
White
Polyester
.0078-.0086
.0078-.0086
302°F (150°C)
154
Heavy duty, high strength
FA-0801
Black
Polyester
.0085-.0105
.2159-.2667
302°F (150°C)
35
Light to medium duty, good formability knit
FA-0806
White
Polyester
.0085-.0105
.2159-.2667
302°F (150°C)
35
Light to medium duty, good formability knit
FA-0919
White
Polyester
.0075-.0095
.1905-.2413
302°F (150°C)
80
Medium duty, good formability
FA-0920
Black
Polyester
.0075-.0095
.1905-.2413
302°F (150°C)
80
Medium Duty, good formability
FA-1001
White
Polyester
6.008-0.012
.2032-.3048
302°F (150°C)
40
knit, good formability, light to medium duty
FA-1202
White
Polyester
.0088-.0105
.2215-.3251
302°F (150°C)
114
Medium Duty, good formability
FA-1601
White
Polyester
.0140-.0160
.3556-.4064
302°F (150°C)
70
Medium Duty, good formability
FB-2309
White
Polyester
.0223-.0247
.5664-.6274
302°F (150°C)
390
Heavy duty, limited formability
FB-1110
Black
Nylon
.0100-.0120
.254-0.305
250°F (120°C)
290
High strength, good formability
FB-1111
White
Nylon
.0100-.0120
.254-0.305
250°F (120°C)
290
High strength, good formability
FB-2004
Black
Nylon
.0260-.0280
.06604-.7112
250°F (120°C)
900
Heavy duty, limited formability
FB-3701
White
Nylon
.0355-.0395
.9017-1.0033
250°F (120°C)
900
Heavy duty, limited formability
FC-0604
Off-White
Nomex
.0068-.0077
.173-0.196
500°F (260°C)
115
High temperature, medium duty
FC-0702
Off-White
Nomex
.0073-.0091
.1854-.2311
500°F (260°C)
42
High temperature, light to medium duty, good formability
FC-0905
Off-White
Nomex
.0084-.0096
.2134-.2438
500°F (260°C)
105
High temperature, medium duty
FV-1001
Off-White
Knit Aramid
.0085-.0115
.2159-.2921
500°F (260°C)
25
Light to medium duty, knit
FC-1501
Off-White
Knit Aramid
.0130-.0170
.3302-.4318
500°F (260°C)
42
Light to medium duty, knit
FV-1001B
White
DiaTuff
.0090-.0130
.2286-.3302
500°F (260°C)
600
High temperature, heavy duty, good formability
General Chemical Compatibility
Property
Silk
Cotton
Nylon
Polyester
Nomex
Dia.Tuff
Relative Tensile Strength
Moderate
Moderate
Very High
High
High
Extreme
Resistance to:
Heat Degradation
Low
Good
Very Good
Very Good
Excellent
Excellent
Mildew
Fair
Poor-Fair
Good
Good
Excellent
Excellent
Alkalis
Poor
Good
Good
Fair
Good
Good
Weak Acids
Fair
Good
Fair
Good
Fair
Excellent
Strong Acids
Poor
Poor
Poor
Fair-Good
Poor
Excellent
Oxidizing Agents
Poor
Fair
Fair
Good
Poor
Excellent
Organic Solvents
Poor
Excellent
Very Good
Good
Good
Excellent
Costs:
Relative Cost
Mod-High
Moderate
Moderate
Moderate
High
Very High
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