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METHYLSTYRENE-BUTADIENE SYNTHETIC RUBBER SKS-30 ARK (SBR 1500)



GOST 15627-79 with amendment # 1-5

Used for making tyres.

Technical Data:

Properties and composition Typical values
Top grade
OKP Code:
     Briquettes
     Rolls

22 9434 0201
22 9434 0203
Mooney viscosity 1+4 (100°C) 47-56
Viscosity scattering in batch, max ±2,5
Tensile strength, MPa (kg/cm2), min 27,9 (285)
Elongation at break, %, min 550-750
Residual deformation, %, max 20
Ball Rebound Resilience, %, min 39
Ash, Wt. %, max 0,6
Metals, Wt., %, max:
     Iron, Fe
     Copper, Cu

0,004
0,00015
Dryining loss, Wt. %, max 0,35
Antioxidant %:
VTS-150 or VTS-150 B,
or Flexzone 11L or Dusantox L, or Santoflex 134 PD

1,0-1,4
0,2-0,35
Organic Acids, Wt. % 5,0-6,5
Organic Acid Soaps, Wt. %, max 0,15
Bound Alpha-MethylStyrene, Wt. % 22,5-24,5

Packing, marking, transportation, storage

Rubber briquettes are packaged in polyethylene film of trade M, H and T according to GOST 10354.
Paper four- layer glued bags of grade HM or BM at GOST 2226.
It is allowed to use polyethylene film and paper bags of all sorts with analogous characters.
For export rubber briquettes are packaged in one-layer polyethylene film and placed in wooden pallets.
In agreement with consumer, it is allowed to package rubber briquettes in two layers of polyethylene film and then in four-layer paper bags of all types.
The rubber is transported by all forms of transport in covered transporting means in accordance to all rules of cargo's transportation standing at transport of this form.
The rubber is stored at temperature not higher 30 (°C). Shelf life - 1 year from date of production.

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Methylstyrene-butadiene synthetic rubber SKS-30 ARK (SBR 1500)