TSR 10 Natural Rubber Comparison Chart

Parameter Unit SIR 10 SIR 10VK SMR 10 SMR 10CV STR 10 SVR 10CV SVR 10
Dirt (max) % wt 0.10 0.10 0.08 0.08 0.08 0.08 0.08
Ash (max) % wt 0.75 0.75 0.75 0.75 0.60 0.60 0.75
Nitrogen (max) % wt 0.60 0.60 0.60 0.60 0.60 0.60 0.60
Volatile Matter (max) % wt 0.80 0.80 0.80 0.80 0.80 0.80 0.80
Po (min)   30 30 30 NA 30 NA 30
PRI index (min)   60 60 50 50 50 50 50
Mooney Viscosity* (ML, 1+4, 100°C)   NA 60 +/- 5* NA 60 +7, -5* NA 60 +7, -5* NA

*Not specification status, but are controlled at the producer end.