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Butadiene rubber BR-BR9000

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Features Oil resistance and aging resistance
Application With good cold resistance, wear resistance, low heat generation and high elasticity, good aging resistance, is a wide range of general synthetic rubber. It is mainly used to make the tread, transport belt, transmission belt, adhesive cloth, sole and so on after cleaning with natural machine.



Item

Index

Test result

Test method

I type

Ⅱ type

Ⅲ type

Appearance

Light color and translucent, primary shape  is block, does not contain coked particles,  mechanical impurities and oil stains


Visual inspection

Volatile matter, %  (mass fraction)

≤0.50

≤0.80

≤1.10

0.29


GB/T 24131.1-2018 hot roller method

Mooney viscosity of raw  rubber[ML(1+4)100℃]

45±4

45±5 45±7

45


GB/T 1232.1-2016Direct method, if th  rough a roller, temperature 35℃±5℃

Ash content,% (mass fraction)


≤0.20

≤0.20 ≤0.20 0.19


GB/T 4498.1-2013 Method A

Mixed rubber Mooney  viscosity[ML(1+4)10℃]

≤65

≤67 ≤70


56


GB/T 8660-2018(C2mixing method )GB/T 1232.1-2016

300%Definite stress(145℃, 25min),MPa

7.0~12.0

7.0~12.0

7.0~12.0

9.5

Mix according to GB/T 8660-2018,  C2 method, measure according to  GB/T528-2009, use type I cutter.

300%Definite stress(145℃,35min),MPa

8.0~13.0

8.0~13.0 8.0~13.0

9.7

300%Definite stress (145℃,50min)MPa

8.0~13.0

8.0~13.0

8.0~13.0

9.8

Tensile Strength(145℃,35min),MPa

≥13.2

≥13.2

≥13.2

14.3

Elongation at break(145℃,35min),%

≥330

≥330

≥330

377
Vulcanization properties 160℃,25min)ML,dN·m Report Report Report 2.5 Set parameters according to GB/T  8660-2018 7.2, and measure according GB/T 8660-2018(C2mixing method )GB/T 1232.1-2016  to GB/T25268-2010.
Vulcanization properties,160℃,25min,MH,dN·m Report Report Report 18.6
Vulcanization properties,160 ℃,25min,ts1,min Report Report Report 3.0
Vulcanization properties,160 ℃,25min,tc50,min Report Report Report 6.3
Vulcanization properties, 160 ℃,25min,tc90,min Report Report Report 10.4


PR1

PR3

PR2



14 6 9



2222_副本





1111_副本




3333_副本


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