Astlett Rubber Inc.

 
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Rubber Materials
Natural Rubber
Specialty NR Grades
Synthetic Rubber
Carbon Black

Titanium Dioxide

Zinc Oxide


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Customer Bulletins
page for special offers and updates.

 

TSR L
Natural Rubber Comparison Chart

 
Parameter

Unit

SIR
3L

SIR 3WF

SMR
L

STR
XL

STR
5L

SVR
3L

Dirt (max)

% wt

0.03
0.03
0.02
0.02
0.04
0.03

Ash (max)

% wt

0.50
0.50
0.50
0.40
0.40
0.50

Nitrogen (max)

% wt

0.60
0.60
0.60
0.50
0.60
0.60

Volatile Matter (max)

% wt

0.80
0.80
0.50
0.80
0.80
0.80
Po (min)  
30
30
35
35
35
35
PRI index (min)  
75
75
60
60
60
60
Colour Lovibond Scale
(individual value, max)
 
6.0
NA
6.0
4.0
6.0
6.0

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

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