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Heat resistant latex products

Rubfila International Limited, the largest producer of latex rubber threads in India has in-depth technological skills in processing rubber. Rubfila processes and markets Technically Specified Rubber (TSR) to discerning customers in various sectors. The company offers ISNR 20 (Indian Standard Natural Rubber 20), the most competitive grades of ISNR available in the market which finds applications in major industries.

ISNR 20 Rubber

ISNR 20 Rubber is one of the best graded natural rubbers for some of its quality specializations. Due to its low viscosity, it can be easily mixed with other graded natural rubbers. ISNR 20 Rubber, also known as Indian Standard Natural Rubber, is the prime natural rubber used for majority of rubber products. The raw material used for the production of these grades are field coagulum, mainly Tree lace and Cup lumps, collected from various estates.. ISNR 20 natural rubber is internationally known as Technical Specified Rubber (TSR) due to its predefined standards. ISNR 20 is equivalent to Standard Malaysian Rubber SMR 20, Standard Indonesian Rubber SIR 20, Standard Sri Lanka Rubber SSR 20, Standard Vietnam Rubber SVR 20 and Standard Thai Rubber STR 20


Advantages :


  • Technically certified rather than visually graded as in the case of RSS and crepe grades of natural rubber.
  • Consistency in quality.
  • Compact packing
  • Less Contamination in handling and transportation.


Application :

ISNR 20 is used mostly for tyres, re-treading material, tubes, conveyor belts, cushion gum stock, bicycle tyres, rubber mats, raincoat proofing micro-cellular sheets for upholstery and packing, footwear, etc.


Packing

Blocks of 25 Kg is wrapped in low density polythene sheets and shall be further packed in pallets or crates, if required.


Shipment

Lose Stuffing


  • 800 x 25 Kg. blocks (20-Tonnes) per 20' container.

Palletised Stuffing

  • Lower Layer: 25 Kg. x 48 Blocks =1.20 MT - 8 Pallets x 1.2 T =9.60 MT
  • Upper Layer: 25 Kg. x 42 Blocks =1.05 MT - 8 Pallets x 1.05 MT =8.40 MT
  • Total weight: 9.6 MT + 8.40 MT =18.00 MT

Quality control

ISNR 20 is processed as per the norms laid by Bureau of Indian Standards under IS 4588 - 1986. Rubfila ensures consistent quality products to the customer by a three pronged quality approach – control of inputs, control of process and control of outputs. Rubfila has a laboratory with advanced testing equipments and the lab personnel work round the clock to monitor and control the quality of the inputs, in-process parameters and the quality of the output. Rubfila ensures that the quality of the output is as per IS 4588.

Technical Characteristics

Characteristics of ISNR 20 is as follows

Characteristic ISNR 20
Dirt percent by mass (Max) 0.2
Volatile matter, percent by mass (Max) 0.8
Ash, percent by mass (Max) 1
Nitrogen, percent by mass, Max 0.60
Initial plasticity Po (Min) 30
Plasticity retention index, PRI (Min) 40


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