|
Epoxy
Some of the very first thermoset
powder coatings were based on epoxy resins. This group of materials
offers excellent chemical, corrosion and heat resistance and will
not remelt when heat is applied.
TECHNICAL DATA ~ EPOXY POWDER
GENERAL PRODUCT INFORMATION
TYPICAL PROPERTIES
|
PROPERTY
|
Test Methods
|
VALUE
|
Adhesion:
Shear
Tension |
1/2 square in/overlap 200°
F. Dynamometer |
3,000 p.s.i.
3,000 p.s.i |
| Abrasion Resistance: |
Tabor Adrador
5,000 rev. CS-10 Wheel
1,000 Grams Oer Wheel |
0.05 Grams
Weight Loss
Direct 160 In-Lb.
Reverse 160 In-lb. |
Flexibility:
Radius Bend of Sheet
Radius Bend of Tube |
ASTM-D-522
ASTM-D-522 |
1/4" passes
1/2" passes |
Toxicity: Powder
Fumes
Cured Powder |
|
Nontoxic
Nontoxic
Nontoxic |
| Hardness: |
Barcol Hardness Tester |
20 |
| Consistency: |
|
Free Flowing Powder |
| Compressive Strength: |
ASTM-D-695 |
15,000-25,000 p.s.i |
| Thermal Shock: |
4"x4" Coated Panel 310°F.
to - 100°F. |
10 Cycles - No Effect |
| Film Thickness: |
No Preheat
Preheat |
1.0-5 mil.
7.40 mil. |
| Color: Available in Colors |
|
|
|
PROPERTY
|
Test Methods
|
VALUE
|
| Dielectric Strength |
ASTM-D-149 |
1,000-1,200 Volts/Mil. |
| Dielectric Constant |
ASTM-D-150 |
4.5-7.5 |
| Volume Resistivity |
ASTM-D-257 |
10 ohm/cm. |
| Surface Resistivity |
|
In Test |
| Tracking Resistivity |
|
In Test |
| Salt Crock (-Current to -.78V. |
11/2 V. Anodic
11/2 V. Cathodic |
No Undercutting
No Undercutting |
Salt Water Resistivity
Salt Crock (100 ohm-cm Resistivity water) 6V.
Anodic
3 V. Cathodic |
|
4x1010
ohm-ft |
|
Undercutting:
Samples 6 V/ Cathodic
Samples 6 V. Anodic |
|
No Undercutting
No Undercutting |
|
PROPERTY
|
Test Methods
|
VALUE
|
| Weatherometer: |
ASTM-E-42-57 |
Slight Chalking (2000 hrs.) |
| Salt Spray: |
ASTM-B-117-61 |
No Effect (2000hrs) |
| Weathering: |
|
Slight Chalking (1yr.) |
| Flames Resistance: |
MIL-1-16923C |
Self Extinguishing |
| Fungus Resistance |
MIL-E-5272C |
Does not support fungus growth |
| Compatible With Other Coatings- |
|
Yes |
| Operating Temperature Range- |
|
+250º
F. to - 370 F.
(Dry) |
| Operating Temperature Range- |
|
+150° F.
to - 100° F. (Wet) |
|
