CHEMICAL INDICATORS - MANAGEMENT OF RUBBER BY SVR 5 TCVN 3769:2004

 
A. Concentrations of contaminants retained on 45m sieve,% m / m, not more than: 0.05
 
Two. Ash,% m / m, not more than: 0.60
 
3. Nitrogen content,% m / m, not more than: 0.60
 
4. Concentration of volatiles,% m / m, not more than: 0.80
 
Five. Early plasticity (Po), not less than: 30
 
6. Maintain the viscosity index (PRI), not less than: 60
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