|
Parameter * |
Grade |
|
SVR
CV 60 |
SVR
CV 50 |
SVR L |
SVR 3L |
SVR 5 |
SVR 10CV |
SVR 10 |
SVR 20CV |
SVR 20 |
|
Field latex material |
Field latex or sheet material |
Field grade material |
|
1. Dirt content, % wt. Max |
0.02 |
0.02 |
0.02 |
0.03 |
0.05 |
0.08 |
0.08 |
0.16 |
0.16 |
|
2. Volatile matter, % wt. Max |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
|
3. Ash content, % wt. Max |
0.40 |
0.40 |
0.40 |
0.50 |
0.60 |
0.60 |
0.60 |
0.80 |
0.80 |
|
4. Nitrogen content, % wt. Max |
0.60 |
0.60 |
0.60 |
0.60 |
0.60 |
0.60 |
0.60 |
0.60 |
0.60 |
|
5. Initial plasticity (PO). Min |
- |
- |
35 |
35 |
30 |
- |
30 |
- |
30 |
|
6. Plasticity retention index (PRI). Min |
60 |
60 |
60 |
60 |
60 |
50 |
50 |
40 |
40 |
|
7. Colour index. Max |
- |
- |
4 |
6 |
- |
- |
- |
- |
- |
|
8. Mooney viscosity ML (1’ + 4’) 100oC |
60 ± 5 |
50 ± 5 |
- |
- |
- |
60 +7,-5 |
- |
65 +7,-5 |
- |
|
9. Cure ** |
R |
R |
R |
R |
- |
R |
- |
R |
- |
| 10. Color coding strip |
Orange |
Transparent |
White opaque |
| 11. Color coding marker |
Black |
Light green |
Magenta |
Brown |
Yellow |
Red |
