Natural rubber Minimum specifications for isnr - 20 Characteristics Isnr 20 Dirt- percentage weight (max) 0.20 % Ash v percentage of weight (max) 1.00 % Volatile matter (max) 0.80 % Nitrogen (max) 0.60 % Initial plasticity (p0) min 30 Plasticity retention index (pri) min 40 Packing rss 4: 50kg bundles, loose stacked in container without pallets.Packing isnr 20 : 25 kg bales will be packed in 2 layer ldpe bags. Rubber bales will be loose packed in container without pallets/crates.
