Styrene butadiene rubber (SBR)

Parameter

Chemical composition

copolymer of styrene and butadiene

Molecular weight

100000~1000000 g/mol

Density

 0.94 g/cm ³

Glass transition temperature (Tg)

-50 ° C~-60 ° C

Shore A hardness

50~70

Tensile strength

10-25 MPa

Elongation rate

300%~500%

Electrical resistivity

10 ¹²~10 ¹⁴Ω· cm

Thermal stability

SBR has good thermal stability, but long-term use temperature should not exceed 80 ° C

Thermal conductivity

0.15~0.25 W/m · K

Solid content

40%~50%

Viscosity

1000~3000 mPa · s (25 ° C)

Particle size

100-200 μ m“