EVEC®221

Product Name Product Type Elastomer Types Filler Types Tyre Track Product Performance
EVEC®221 Ready Compound STR20#+ESBR Silica TBR Low rolling resistance
Category Test Item Product index Test Basis
Masterbatch Sample Mooney viscosity, ML(1+4) @125℃ 55±10 GB/T 1232.1-2016
Volatile,% ≤1.5 GB/T 24131.1-2018
Vulcanized Sample Tensile strength, MPa ≥26.0 GB/T 528-2009
Elongation at break, % ≥470
Tensile strength@100%, MPa 2.6±0.5
Tensile strength@300%, MPa 13.5±1.5
Hysteresis loss, tanδ max@60℃ ≤0.095 QTCS-YK.08-01-2020
Shore hardness, RT, Shore A 60±3 GB/T 531.1-2008
Density, Mg/m3 1.149±0.010 GB/T 533-2008
Rebound resilience, @23°C,% GB/T 1681-2009