Delrin AF 100 blend stock shapes are a 13% PTFE fiber filled homopolymer acetal. They offer an improved coefficient of friction, better lubricity, and improved wear characteristics over unfilled and PTFE powder filled acetals.
This advanced acetal material uses a combination of PTFE fibers uniformly dispersed in Delrin acetal resin. The combination results in improved wear characteristics along with strength, toughness, dimensional stability and machinability.
The materials exceptional wear properties and internal lubrication serves to reduce or elimanate the need for external lubricants. This material can also be produced in a full strength 20% PTFE filled version.
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At a Glance
Generic Name Polyoxymethylene, Polyacetal
Available In Sheet, Rod
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Technical Information
Stock ProductsPropertiesApplicationsAdvantages
Stock Products
Type
Size
Length
Color
Sheet
.250 – 3”
24” x 48’, 12” x 48”, 48” x 96”
Grey
Rod
.250 – 3″
96”, 120”
Grey
Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.
Properties
Physical Properties
Units
ASTM
Results
Density
lb/in³
D792
1.53
Water Absorption, 24 hrs
%
D570
0.12
Mechanical Properties
Units
ASTM
Results
Tensile Strength @ yield
psi
D638
Tensile Modulus
psi
D638
360000
Tensile Elongation @Break
%
D638
10
Flexural Strength
psi
D790
12000
Flexural Modulus
psi
D790
445000
Compressive Strength
psi
D695
14000
Compressive Modulus
psi
D695
300000
Hardness, Rockwell R
D785
80
IZOD Impact Strength Notched
ft-lb/in
D256
0.6
Thermal Properties
Units
ASTM
Results
Coeffcient of Linear Thermal Expansion
(x 10^-5 in./in./°F)
6.0
Heat Deflection Temp at 264 psi
°F
244
Melting Temperature
°F
347
Max Operating Temp.
°F
Thermal Conductivity
BTU-in/ft²-hr-°F
Flammability Rating
Electrical Properties
Units
ASTM
Results
Dielectric Strength. 1/8″ th.
V/mil
D149
400
Dielectric Constant @1 MHz
3.1
Dissipation Factor@1 MHz
D150
Volume Resistivity, 50% RH
ohm-cm
D257
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
Applications
Bushings
Bearings
Seals
Gaskets
Valve seats
Advantages
Excellent Wear Characteristics
Self Lubricating
Low coefficeient of friction
Maximum unmodified toughness
Superior load bearing characteristics
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