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SKS-30 ARKPN / SBR-1502 STYRENE-BUTADIENE RUBBER

DESCRIPTION: Styrene-butadiene rubber SKS-30 ARKPN (SBR-1502) is a styrene and butadiene copolymer obtained by emulsification method with the use of mixture of rosin and fatty acids soaps. It is stabilized by non-staining antioxidant.

REACH: registered

APPLICATION: SKS-30 ARKPN (SBR-1502) is a general-purpose rubber. It is widely used in tire, rubber technical and other industries.
Rubber should not contain any foreign impurities and must meet the following requirements:

Appearance: briquettes (bales)

Weight: 30.0+/-1.0 kg

Colour: from light-yellow to beige

THE PRODUCT MUST MEET THE FOLLOWING QUALITY PARAMETERS:

ParametersStandardTest MethodNote
Mooney viscosity MML 1+4 (100C)48-58ASTM D 1646 (para. 7.2.2)X
Mooney viscosity spread within a batch, units, max8---X
Volatile matter content, %, max (1 hour)0.8ASTM D 5668 (method C)X
Ash content, %, max0.5ASTM D 5667 (part A)X
Bound styrene content, %22-25ASTM D 5775X
Antioxidant content, %1.0-2.0Test Method used in the Russian FederationX
Organic acids content, %5.0-7.0ASTM D 5774X
Organic acids soaps content, %, max0.30ASTM D 5774
RHEOMETRIC PROPERTIES ACC. TO ASTM D 5289
ML, dNm1.8-3.0ASTM D 5289VX
MH, dNm15.0-21.0ASTM D 5289VX
ts1, min.2.2-4.5ASTM D 5289VX
t50, min.7.0-12.0ASTM D 5289VX
t90, min.13.0-21.0ASTM D 5289VX
ELASTIC AND TENSILE STRESS-STRAIN PROPERTIES (in optimum vulcanization)
Tensile stress at 300% elongation, MPa, min13.0ASTM D 412 method AVX
Tensile strength, MPa, min22.5ASTM D 412 method AVX
Relative elongation at break, %, min420ASTM D 412 method AVX


X - specified in the certificate of quality.
V - non-rejectable.
Preparation of rubber mixes is carried out in accordance with ASTMD 3185 recipe 1, method A, on the roll mills prepared acc. to ASTM D 3182. Rheometric properties are determined according to ASTM D 5289 using an MDR 2000 rheometer (flow meter). Wait time for rubber mix before testing is 2-6 hours.

RUBBER MIX RECIPE AND MEASUREMENT CONDITIONS:

ParametersStandard
Rubber mix recipe in parts by weight acc. to ASTM D 3185, recipe 1:
-Rubber100.00
-Zinc oxide3.00
-IRB 7 (N330) carbon black50.00
-Sulphur1.75
-Stearic acid1.00
-TBBS (N-tert-Butyl-2-benzothiazolesulfenamide)1.00
Rheometer MDR 2000, measurement conditions:
-Temperature, 160
-Duration, min30
-Oscillation amplitude, deg.+/-0.5
-Oscillation frequency, Hz1.7

PACKING: Rubber briquettes (bales) are packaged in marked PE film (thickness of 0.05 +/- 0.01 mm, melting temperature of 108-110), then in plastic box pallets of 450kg or in plywood containers of 1,080kg, or metal containers of 1,260kg.

TRANSPORTATION: Rubber is transported by all types of transport in covered transporting means in accordance to all rules of cargos transportation standing at transport of this form.

STORAGE: At a temperature not exceeding 30, in dry place free from direct sunlight.

GUARANTEED SHELF LIFE: 1 (one) year from the manufacture date. After the expiration of the guaranteed shelf life, the rubber can be used for its intended purpose after confirmation of its conformity to the requirements of this product specification

 

JSC Synthez-Kauchuk
2013 ǻ