|
The values shown in this
table represent average experiences from numerous testing sources and are
not intended to be specifications. These values will vary depending upon
the individual compositions of the primers and topcoats and the systems used.
For further information on the properties of these coating systems, and examples
of how they have led to the development of new products, increased production
rates and resultant cost savings, please contact
us.
|
Abrasion
Resistance
-Bell Abrasion (1)
-Sliding Arm (2)
-Tabor
Abrasion (3) |
--- |
g/µm
mg
mg |
85
7.9-9.7
12 |
---
11.1-15.2
14.8 |
---
---
--- |
---
13.4
--- |
Scratch Resistance
scratch master
-initial
(4)
-complete (5) |
--- |
kg
kg |
5.7-7.0
7.3-10.7 |
5.1-11.4
8.5-13.2 |
---
--- |
---
--- |
Coefficient of
Friction
-static
-dynamic |
D1894
|
---
|
0.12-0.15
0.05-0.10 |
0.12-0.20
0.08-0.3 |
0.2
--- |
0.24-0.50
0.3-0.4 |
|
Notes:
1. Bell Abrasion Tester: grams abrasive/micrometers
2. Sliding Arm Test: 1,000 cycles, 500 gr load, 400 Emery paper, 35.5 sq. cm surface
3. Tabor Abrasion: Cs 17 wheel, 1kg load, 1,000 cycles, weight loss in mg
4. Scratch Master: initial = first sign of substrate
5. Scratch Master: complete = total removal of film
Source: DuPont |
