TSR 10
TSR 20
TSR CV
TSR L
TSR 5

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.