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Styrene butadiene rubber SBR-1502

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Features heat resistance, aging resistance and wear resistance
Application household necessities, medical care



Item

Index

Test method

Result

Conclusion

Superior

product

Qualified product

Appearance

Non-polluting block light-colored  glue, free of coking particles, sand and mechanical impurities.

Visually

Normal

Superior

Volatile matter(%)≤


0.60


0.90

GB/T 24131.1- 2018,hot roll

method B2


0.16

Superior

Organic acid(%)


4.50~6.75



GB/T 8657- 2014 ,B

method


6.16

Superior

Soap content(%)≤


0.40


0.04

Superior

Bound styrene(%)


22.5~24.5


GB/T 8658-1998


23.7

Superior

Raw Rubber

Mooney Viscosity

,

ML(1+4)100℃


45~55


44~56

GB/T 1232.1- 2016,Over

roll method


50~51

Superior

Compound Mooney Viscosity,

ML(1+4)100℃≤


93

GB/T 1232.1- 2016(ASTM

IRB No.8)


71


Superior

300% Stress at

modulus

(145℃,35min)(MPa)


16.6~20.6


16.1~21.1



GB/T 8656-2018 A ( ASTM IRB No.8),

GB/T 528-2009(1 cut knife)


18.0

Superior

Tensile Strength

(145℃,35min)(MPa)≥


24.5


23.5


25.8

Superior

Elongation at break

(145℃,35min)(%)≥


350


340


401

Superior


1502 1

1502 2

1105 4



37



2222_副本


物流1



1111_副本




3333_副本


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