recycled rubber (10 parts) + ref. compound 1 (90 parts)

tested recycled products 

recycled rubber (10 parts) + ref. compound 2 (90 parts)

test conditions

•  reference compound + recycled product + vulcanizants (calculated on the recycled product only) has been compounded on a two-roll mill 
  
•  thickness 2 mm
•  pressure 70 bar
•  curing: 900’@150°C