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Silicone Rubber Properties Chart 


Typical Properties 

PPG Silica Grades 		 N2 Surface
Area, BET-5
(m2/g) 		 N2 Surface
Area, BET-1
(m2/g) 

pH 		 Residual
Salt Type 
Physical
Form * 
Reinforcing
Potential 
Hi-Sil™ 532EP   N/A  60 8  Na 2SO 4  Pwd  Semi 
Hi-Sil™ 900   N/A  152  7  Na 2SO 4  Pwd  Reinforcing
Hi-Sil™ 233-D   151  N/A  7  Na 2SO 4  Pwd  Reinforcing
Hi-Sil™ 135   N/A  170  7  Na 2SO 4  Pwd  Reinforcing 
Hi-Sil™ 132   N/A  200  7  Na 2SO 4  Pwd  Reinforcing 
Hi-Sil™ 915   195  N/A  7  Na 2SO 4  Pwd  High 
       
* 
MG = Micro-Granule
Pwd = Powder
G = Granule
P = Pellet