Astlett Rubber Inc.

 
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Rubber Materials
Natural Rubber
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Synthetic Rubber
Carbon Black

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Zinc Oxide


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Standard Vietnamese Rubber (SVR)
Specification Scheme

 
Parameter

Unit

SVR
CV50

SVR
CV60

SVR
3L

SVR
5

SVR
10

SVR
20

Dirt (max)

% wt

0.03
0.03
0.03
0.05
0.08
0.16

Ash (max)

% wt

0.50
0.50
0.50
0.50
0.75
1.00

Nitrogen (max)

% wt

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
Po  
NA
NA
35
30
30
30
PRI  
60
60
60
60
50
40
Mooney Viscosity
(1+4, 100C)
ML
50
+/- 5
60
+/- 5
NA
NA
NA
NA
Colour Lovibond Scale
(individual values, max)
 
NA
NA
6.0
NA
NA
NA

These figures are limits, not typical values. Typical values will vary by producer.

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