TSR 20
NATURAL RUBBER COMPARISON CHART 2
Country Rubber Scheme | Indonesia | Malaysia | Thailand | Vietnam | ||||
SIR 20 | SIR 20VK | SMR 20 | SMR 20CV | STR 20 | STR 20CV | SVR 20 | ||
Parameter Unit | ||||||||
Dirt (max) % wt | 0.20 | 0.20 | 0.16 | 0.16 | 0.16 | 0.16 | 0.16 | |
Ash (max) % wt | 1.00 | 1.00 | 1.00 | 1.00 | 0.80 | 0.80 | 1.00 | |
Nitrogen (max) % wt | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | 0.60 | |
VM (max) % wt | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | 0.80 | |
P0 (min) | 30 | 30 | 30 | NA | 30 | NA | 30 | |
PRI (min) % | 50 | 60 | 40 | 40 | 40 | 40 | 40 | |
VR (ML: 1+4,100°C) | NA | 60+/-5* | NA | 60+/72* | NA | 60+/72* | 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).
Note : These figures are limits, not typical values. Typical values will vary by producer.