| Property |
Test
Method
|
Units
|
UNITAL
H
and H BK
|
UNITAL
C
and C BK
|
UNITAL
LF13
|
DELRIN
100AF Blend
|
UNITAL
esd
|
| |
|
|
Unfilled
Homo-polymer
|
Unfilled
Copolymer
|
13%
PTFE Powder
|
13%
PTFE Fiber
|
Static
dissipative acetal
|
|
Mechanical
|
| Specific
Gravity |
ASTM-D792
|
---
|
1.42
|
1.40
|
1.48
|
1.50
|
1.33
|
| Tensile
Strength |
ASTM-D638
|
psi
|
9,600-11,000
|
9,000-10,200
|
8,000-8,500
|
7,600-8,000
|
6,600
|
| Tensile
Elongation |
ASTM-D638
|
%
|
30-50
|
30-60
|
15-30
|
15-30
|
45
|
| Tensile
Modulus of Elasticity |
ASTM-D638
|
psi
|
450,000
|
400,000
|
600,000
|
550,000
|
|
| Flexural
Strength |
ASTM-D790
|
psi
|
14,300
|
12,000
|
13,500
|
12,500
|
7,000
|
| Flexural
Modulus of Elasticity |
ASTM-D790
|
psi
|
470,000
|
366,000
|
410,000
|
400,000
|
210,000
|
| Compressive
Strength |
ASTM-D695
|
psi
|
16,000
|
15,000
|
15,500
|
16,000
|
|
| Izod
Notched Impact |
ASTM-D256
|
ft.-lb./in.
|
1.2
|
1.0
|
0.8
|
0.9
|
2.0
|
| Rockwell
Hardness |
ASTM-D785
|
M
or R scale
|
M94
|
M90
|
M89
|
M89
|
|
| Thermal |
| Coef.
of Linear Thermal Expansion |
ASTM-D696
|
in./in./deg
F
|
6.8
x 10-5
|
5.4
x 10 -5
|
5.2
x 10 -5
|
5.0
x 10 -5
|
6.5
x 10 -5
|
| Max.
Continuous Use Temp. |
Nytef
std.
|
°F
|
185
|
185
|
185
|
185
|
185
|
|
Heat
Deflection Temp. @ 264 psi
|
ASTM-D648
|
°F
|
257
|
220
|
235
|
260
|
141
|
| Melting
Point |
ASTM-D3418
|
°F
|
347
|
335
|
347
|
347
|
|
| Electrical |
| Dielectric
Strength-Short Term |
ASTM-D149
|
volts/mil
|
500
|
500
|
400
|
400
|
|
|
Dielectric Constant @ 60 Hz |
ASTM-D150
|
|
3.7
|
3.8
|
3.1
|
3.1
|
|
| Dielectric
Constant @ 106 Hz |
ASTM-D150
|
|
3.7
|
3.8
|
3.1
|
3.1
|
|
| Dissipation
Factor @ 60 Hz |
ASTM-D150
|
|
0.005
|
0.003
|
0.009
|
0.009
|
|
| Volume
Resistivity |
ASTM-D257
|
ohm-cm
|
1015
|
1015
|
1015
|
1015
|
109
- 10"
|
| Miscellaneous |
| Water
Absorption/24 hrs. |
ASTM-D570
|
%
weight
|
0.25
|
0.25
|
0.23
|
0.20
|
0.20
|
| Water
Absorption @ Saturation |
ASTM-D570
|
%
weight
|
0.90
|
0.8
|
0.8
|
0.72
|
2.5
|
| Flammability
|
UL-94
|
|
HB
|
HB
|
HB
|
HB
|
HB
|
|
Dynamic
Coefficient of Friction
|
|
|
0.20
|
0.21
|
0.16
|
0.17
|
|
| Agency
Approvals |
| FDA |
|
|
Yes
|
Yes
|
Yes
|
No
|
No
|
| USDA
|
|
|
Yes
|
Yes
|
Yes
|
No
|
No
|
| NSF |
|
|
Yes
|
Yes
|
No
|
No
|
No
|
| 3-A
Dairy |
|
|
Yes
|
Yes
|
Yes
|
Yes
|
No
|
|