Styrene Butadiene Rubber

Styrene Butadiene Rubber
1, Best price with high quality.
2, Good Toughness and flexibility.
3, Good mechanical properties and file
High Quality SBR

SBR 1Specification Values(GB/T12824-2002)

ItemPropertyTest Method
ABC
Volatile matter %≤ 0.60≤ 0.75≤ 0.90GB/T 6737-1997
Ash %≤ 0.50GB/T 4498-1997 A
Organic acid %4.50-6.75GB/T 8657-2000 A
Soap %≤ 0.50
Bound styrene %22.5-24.5GB/T 8658-1998
Mooney viscosity 50ML(1+4)10045-5544-56GB/T 1232.1-2000
Compound 50ML(1+4)100≤ 93

300%
145MPa,
300%Modulus25minM± 2.0M± 2.5GB/T 8656-1998 A
35min20.6± 2.020.6± 2.5
50min21.5± 2.021.5± 2.5
Tensile strength (145, 35min), MPa ≥ 25.5≥ 24.5
Elongation (145, 35min), % ≥ 340≥ 330

SBR 2 Specification (SH/T 1626-2005)

ItemPropertyTest Method
ABC
Volatile matter% m/m≤ 0.60≤ 0.80≤ 1.00GB/T 6737-1997
Ash% (m/m)≤ 0.50GB/T 4498-1997
Organic acid %m/m3.90-5.70GB/T 8657-2000
Soap %m/m≤ 0.50
Bound styrene% m/m22.5-24.5GB/T 8658-1998
Oil %m/m25.3-29.324.3-30.3SH/T 1718-2002
Mooney viscosity ML(1+4)10044-5443-5542-56GB/T 1232.1-2000
Compound ML(1+4)100≤ 70GB/T 1232.1-2000 ASTM IRB No. 7
300%Modulus (145), MPa25min9.8-13.89.3-14.3GB/T 8656-1998 ASTM IRB No. 7
GB/T 528-1998 I
35min12.1-16.111.6-16.6
50min13.0-17.012.5-17.5
145, 35min), MPa
Tensile strength≥ 19.4≥ 18.4
(145, 35min), %
Elongation≥ 380≥ 370

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