Natural Rubber By Gramms Limited

Our range of Natural Rubber is very common rubber type in preliminary rubber. Particular parameter Po of this kind of rubber is high so it suitable for the products that required for elastic, durable, abrasive criteria such as tire, cable, life-line.
Trading all rubber: SVR 10, SVR 20, SVR 3L, RSS3,...
PARAMETER
SVR 3L
TEST METHOD
1. Dirt content (max % wt) (retained on 45micron sieve)
0.03
TCVN 6089: 2004 (ISO 249: 1995)
2. Ash content (max % wt)
0.50
TCVN 6087: 2004 (ISO 247: 1990)
3. Nitrogen content ( max % wt)
0.60
TCVN 6091: 2004 (ISO 1656: 1996)
4. Volatile matter (max % wt) 2)
0.80
TCVN 6088: 2004 (ISO 248: 1991)
5. Initial plasticity (Po) (min)
35
TCVN 6092-2: 2004 (ISO 2007: 1991)
6. Plasticity retention index (PRI) (min)
60
TCVN 6092-1: 2004 (ISO 2930: 1995)
7. Lovibond Color index (max) Difference between samples(max)
6
2
TCVN 6093: 2004 (ISO 4660: 1999)
8. Mooney viscosity ML (1a + 4a ) 100oC 3)
-
TCVN 6090: 2004 (ISO 289-1: 1994
9. Cure 4)
R
TCVN 6094: 2004 (ISO 3417: 1991)