SBR1712 , The aromatic oil used is an efficient plasticizer for high molecular weight SBR and results in superior physical
SBR1712 , The aromatic oil used is an efficient plasticizer for high molecular
weight SBR and results in superior physical and processing properties compared to other oil-extended rubbers.
It is used on tires , belts, and other goods compounds where color and staining are not decisive factors.
SBR-1712 Specification Values (GB/T 1626-2005)
Item | Property | Test Method | |||
A | B | C | |||
Volatile matter /%(m/m)
| ≤0.60 | ≤0.80 | ≤1.00 | GB/T 6737-1997 | |
Ash /%(m/m)
| ≤0.50 | GB/T 4498-1997 A | |||
Organic acid /%(m/m)
| 3.90-5.70 | GB/T 8657-2000 | |||
Soap /%(m/m)
| ≤0.50 | ||||
Bound styrene /%(m/m)
| 22.5-24.5 | GB/T 8658-1998 | |||
Oil /%(m/m)
| 25.3-29.3 | 24.3-30.3 | SH/T 1718-2002 | ||
Mooney viscosity ML(1+4)100°C
| 44-54 | 43-55 | 42-56 | GB/T 1232.1-2000 | |
Compound ML(1+4)100°C
| ≤70 | GB/T 1232.1-2000 ASTM IRB No.7 | |||
300% (145°C)/MPa 300%Modulus | 25min | 9.8-13.8 | 9.3-14.3 | GB/T 8656-1998 A ASTM IRB No.7 GB/T 528-1998 | |
35min | 12.1-16.1 | 11.6-16.6 | |||
50min | 13.0-17.0 | 12.5-17.5 | |||
Tensile strength (145°C,35min)/MPa
| ≥19.4 | ≥18.4 | |||
Elongation (145°C,35min)/%
| ≥380 | ≥370 | |||
Sinopec SBR1712
