Styrene butadiene rubber/ SBR

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Processing Time:1 Days - 60 Days

Packaging Details: STANDARD EXPORTING PACKAGE

Port: Shanghai / Shenzhen / Qingdao / Ningbo / Other

Payment Terms: L/C , T/T , other

SBR 1502 A-GRADE

Testing Item		Index			Test Method
		Superior Grade	First Grade	Qualified
Volatile matter(%)≤		0.60	0.75	0.90	GB/T6737
Ash content		≤0.50			GB/T4498A
Organic acid(%)		4.50~6.75			GB/T8657A
Soap content(%)		≤0.5
Combinated Styrene content(%)		22.5~24.5			GB/T8658
Raw rubber mooney viscosity ML(1+4)100°C		45~55	44~56		GB/T1232.1
Compounded rubber mooney viscosity ML(1+4)100°C≤		93
300% Stretching Stress (145°C)/MPa	25min	15.2~19.1	14.7~19.6		GB/T8656A
	35min	20.6±2.0	20.6±2.5
	50min	21.5±2.0	21.5±2.5
Tensile strength (145°C, 35min)/MPa		≥25.5	≥25.5	≥24.5
Elongationg at break (145°C, 35min)/%		≥340	≥330