SBR 1739 Emulsion Type Styrene Butadiene Rubber

• Raw Material: Synthetic Rubber
• Material: Styrene Butadiene Rubber
• Specification: 35KG/bag
• Trademark: KunLun
• Origin: China
• Model NO.: SBR 1739

Product Description

Overview
The product is produced using the low-temperature emulsion polymerization method with butadiene and styrene as the monomers, the color type EPPD antioxidant added in the production and filled with low polycyclic aromatic oil. It is free from nitrosa?mines and salt.
APPLICATIONS
Environment friendly oil-filled SBR, which is mainly used for producing advanced tire tread rubber.
 

TIANJIN SANZHI PETRO-CHEMICAL CO., LTD.
SBR 1739
Items		Quality index	Method
Appearance		Non-polluting light-colored lump rubber without impurities	Visual measurement
Volatiles,%(mass fraction)≤		0.5	GB/T 24131-2009 Hot roll method
Aah,%≤		0.5	GB/T4498.1-2013 Method A
Organic acids, %(mass fraction)		3.70-5.70	GB/T8657-2014 Method A
Organic soaps, %(mass fraction)		0.5	GB/T8657-2014 Method A
Bound styrene, %(mass fraction)		38.5-41.5	GB/T 8658-1998
Massed mooney viscosity,ML(1+4)100°C		48-58	GB/T1232. 1-2000 Roller method
Compound rubber Mooney viscosity,ML(1+4)100°C		59	GB/T 8656-1998 Metohod A ASTM IRB No7carbon black ,GB/T1232. 1-2000
300% Modulus(145°C),MPa (Type I specimen,  speed of 500mm/min)	25min	Measurement is the norm.	GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter
	35min	10-17	GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter
	50min	Measurement is the norm.	GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter
Tensile strength (145°C,35min),MPa≥ (Type I specimen, speed of 500mm/min)		18.6	GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter
Elongation(145°C,35min),%≥ (Type I specimen, speed of 500mm/min)		380	GB/T8656-1998GB/T528-1998 Method A ASTM IRB No 7 carbon black, GB528-2009 Type I cutter
Oil content, %(mass fraction)		25.3-29.3	SH/T 1718-2015 Method A