Standard Indonesian Rubber (SIR) / TSR
SIR 5
Wallace Rapid Plasticity (Po)Min .30
Plasticity Retention Index (PRI), min %.60
Dirt Retainer on 44 micrometer aperture (max %wt).0,05
Ash Content, max %wt.0,60
Nitrogen, max %wt.0,60
Volatille matter, max %wt.0,80
SIR 10
Wallace Rapid Plasticity (Po)Min .30
Plasticity Retention Index (PRI), min %.50
Dirt Retainer on 44 micrometer aperture (max %wt).0,08
Ash Content, max %wt.0,75
Nitrogen, max %wt.0,60
Volatille matter, max %wt.0,80
