| High-Purity Coatings Engineering Guide |
 |
IMPREGLON PROCESS |
Coating Thickness mils/microns |
Hardness, Shore D |
Elongation, %@73ºF(25ºC) |
Tensile Strength, psi/kg/sq cm |
Friction Coefficient, static/dynamic |
 |
| ASTM TEST |
|
D676 |
D638 |
D638 |
|
|
| 109 |
2.0-8.0/50-200 |
75 |
400 |
6500/457 |
0.35/0.24 |
|
| 110 |
3.0-8.0/75-200 |
60 |
300 |
4000/292 |
0.25/0.10 |
|
| 216 |
15.0-40.0/375-1000 |
75 |
200 |
7000/492 |
0.35/0.25 |
|
| 300-C |
0.5-2.0/12-50 |
Pencil 2H |
5-9 |
3000/210 |
0.12/0.11 |
|
| 420 |
1.0-5.0/25-125 |
57 |
300 |
3000/210 |
0.12/0.08 |
|
| 490 |
15.0-40.0/375-1000 |
80 |
100 |
6500/457 |
0.40/0.15 |
|
|
| |
IMPREGLON PROCESS |
Dielectric Strength volts/mil volts/micron |
Dielectric Constant |
Service Temp. ºC/ºF continous |
Service Temp. ºC/ºF short term |
Water Absorption, % |
 |
| ASTM TEST |
D149 |
D150 |
|
|
D570 |
|
| 109 |
2000/78.7 |
2.6 |
149ºC/300ºF |
204ºC/400ºF |
0.03 |
|
| 110 |
2000/78.7 |
2.1 |
260ºC/500ºF |
288ºC/550ºF |
0.03 |
|
| 216 |
2000/78.7 |
2.5 |
149ºC/300ºF |
177ºC/350ºF |
0.05 |
|
| 300-C |
1500/59.0 |
3.3 |
149ºC/300ºF |
163ºC/325ºF |
1–2 |
|
| 420 |
1360/53.5 |
2.1 |
204ºC/400ºF |
232ºC/450ºF |
0.03 |
|
| 490 |
1400/55.0 |
7.5-9.8 |
149ºC/300ºF |
177ºC/350ºF |
0.03 |
|
|
| |
IMPREGLON PROCESS |
Food Grade Rating |
Effect of Salt Spray |
Effect of Acids |
Effect of Alkalies |
Effect of Solvents |
Effect of Ultraviolet Light |
 |
| 109 |
No |
1 |
1 |
1 |
1 |
1 |
|
| 110 |
Yes |
2 |
1 |
1 |
1 |
2 |
|
| 216 |
No |
1 |
1 |
1 |
1 |
1 |
|
| 300-C |
No |
2 |
2 |
2 |
2 |
4 |
|
| 420 |
Yes |
2 |
2 |
2 |
2 |
4 |
|
| 490 |
Yes |
1 |
1 |
1 |
1 |
1 |
|
|
 |
| KEY: 1 = Excellent 2 = Good 3 = Fair 4 = Poor 5 = Not Recommended |
| This chart should not be considered as a complete list. The information presented is based upon field tests and understandings of Southwest Impreglon, Inc. Specific results cannot be guaranteed. It is recommended that test parts be coated and evaluated in actual service conditions prior to specification. |