PARAMETERS OF STANDARD VIETNAMESE RUBBER (SVR)
Parameter | Test Result | Vietnamese Standard 3769:2004 | Test Method | Pass |
SVR 5 | | |
1. Dirt content (max % wt) (retained on 45micron sieve) | 0,05 | 0,05 | | |
2. Ash content (max % wt) | 0,60 | 0,60 | | |
3. Nitrogen content ( max % wt) | 0,60 | 0,60 | | |
4. Volatile matter (max % wt) (2) | 0,80 | 0,80 | | |
5. Initial plasticity (Po) (min) | 30 | 30 | | |
6. Plasticity retention index (PRI) (min) | 60 | 60 | | |
7. Color coding band | White opaque | White opaque | | |
8. Color coding marker | Light green | Light green | | |
(1) There are 3 sub-grades of SVR 5 including SVR 5 WF (Processed from Field latex), SVR 5RSS (Pressed bale of Rubber Smoked Sheet) and SVR ADS (Pressed bale of AirDried Sheet).(2) Min limits 0.5% of producer.(3) Limit of producer for Constant Viscosity Mooney. |