ACCORDING TO TCVN 3769-2004


Parameter *

Grade

SVR
CV 60

SVR
CV 50

SVR L

SVR 3L

SVR 5

SVR 10CV

SVR 10

SVR 20CV

SVR 20

Field latex material

Field latex or sheet material

Field grade material

1. Dirt content, % wt. Max

0.02

0.02

0.02

0.03

0.05

0.08

0.08

0.16

0.16

2. Volatile matter, % wt. Max

0.80

0.80

0.80

0.80

0.80

0.80

0.80

0.80

0.80

3. Ash content, % wt. Max

0.40

0.40

0.40

0.50

0.60

0.60

0.60

0.80

0.80

4. Nitrogen content, % wt. Max

0.60

0.60

0.60

0.60

0.60

0.60

0.60

0.60

0.60

5. Initial plasticity (PO). Min

-

-

35

35

30

-

30

-

30

6. Plasticity retention index (PRI). Min

60

60

60

60

60

50

50

40

40

7. Colour index. Max

-

-

4

6

-

-

-

-

-

8. Mooney viscosity ML (1’ + 4’) 100oC

60 ± 5

50 ± 5

-

-

-

60 +7,-5

-

65 +7,-5

-

9. Cure **

R

R

R

R

-

R

-

R

-

10. Color coding strip
Orange
Transparent
White opaque
11. Color coding marker
Black
Light green
Magenta
Brown
Yellow
Red

* Testing for compliance shall follow ISO test methods
** Cure information is provided in the form of rheograph (R)

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