TSR 5
Natural Rubber Comparison
Chart
| |
|
|
|
|
| Parameter |
Unit
|
SIR
5
|
SMR
5*
|
SMR
GP
|
STR
5
|
SVR
5
|
|
Dirt (max)
|
% wt
|
0.05
|
0.05
|
0.08
|
0.04
|
0.05
|
|
Ash (max)
|
% wt
|
0.50
|
0.60
|
0.75
|
0.60
|
0.50
|
|
Nitrogen (max)
|
% wt
|
0.60
|
0.60
|
0.60
|
0.60
|
0.60
|
|
Volatile Matter
(max)
|
% wt
|
0.80
|
0.80
|
0.80
|
0.80
|
0.80
|
| Po (min) |
|
30
|
30
|
NA
|
NA
|
30
|
| PRI index
(min) |
|
70
|
60
|
50
|
60
|
60
|
Mooney
Viscosity
(ML, 1+4, 100°C) |
|
NA
|
NA
|
65 +7/-5
|
NA
|
NA
|
*Two sub-grades
of SMR 5 are SMR 5RSS (prepared by direct baling of ribbed
smoked sheet) and SMR 5ADS (of air-dried sheet).
These figures
are limits, not typical values. Typical values will vary
by producer.
