Current Test-by-Test Standard Deviations

                                       Within                    Total
                                          Lab    Overall      Individual
Elastomer               Parameter         STD      STD      Determinations

FLUOROELASTOMER         Volume           0.47       0.47         11751    
FLUOROELASTOMER         Hardness         1.58       1.94         11698    
FLUOROELASTOMER         Tension          3.30       3.80         11755    
FLUOROELASTOMER         Elongation       8.16       9.05         11838