duct Name

Styrene-Butadiene

Rubber

Brand

(SBR)***2

 Execution standard

Number

GR/T ****4 ***2

Batch

********2

No.

Project

Units

Index

Test results

1

Volatile matter

%

≤0.*0

0.*3

2

Ash

%

≤0.*0

<0.*0

3

Organic acid

%

4.***6.*5

5.*7

4

Soap

%

≤0.*0

0.*2

5

Combined with styrene

%

*2.***4.5

*2.*6

6

Rubber

Mooney viscosity

ML(1*4)**0°C

****6

*1

7

Mixes rubber

Mooney viscosity

ML(1*4)**0°C

≤*0

*1

8

**0%

Tensile Modulus

(**5°C,*5min)

Mpa

M±2.5

*6.0

9

**0%

Tensile Modulus

(**5°C,*5min)

Mpa

*0.6±2.5

*8.0

*0

**0%

Tensile Modulus

(**5°C,*0min)

Mpa

*1.5±2.5

*0.1

*1

Tensile strength (**5°C,*5min)

Mpa

≥*4.5

*6.6

*2

Elongation

(**5°C,*5min)

%

≥**0

**3