IS – specification for Block Rubber

   Parameters
ISNR
5
ISNR
10
ISNR
20
Dirt content (% by mass, maximum)
0.05
0.1
0.2
Volatile matter (% by mass, maximum)
0.8
0.8
0.8
Ash content(% by mass, maximum)
0.6
0.75
1
Nitrogen content(% by mass, maximum)
0.6
0.6
0.6
Initial plasticity (minimum) Po
30
30
30
Plasticity Retention Index (PRI, minimum)
60
50
40
 
ISNR – Indian Standard Natural Rubber
Packing : Blocks of 25/35 Kg each, wrapped in LDPE Sheets.
Shipment : 840 x 25 Kg blocks (21 tonnes) per 20 ft container (loose stacked)
Palletisation : Shipment can also be made on pallets (made of timber, generally rubber wood, treated for strength and durability) at extra cost.
Shrink-wrap : Also can be made available at extra cost.

TSR Grades.

ISNR 5
ISNR 10
ISNR 20


RSS – Ribbed Smoked Sheet
RSS –1
RSS –2
RSS –3
RSS –4
RSS –5
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