Polymer Selection Guide
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The guide below has been created to allow the right polymers to be chosen for the appropriate need. If you need any help, please contact use and we will be glad to help choose the right polymer for the right use.

Natural Rubber S.B.R EPDM Polychloroprene (Neoprene) Chlorosulphenated Polyethylene (HYPALON CSM) Nitrile NBR Silicone SI Fluorocarbon (Viton® fluoroelastomers) Fluorosilicone FSI
Properties:
Hardeness Range  (Shore A) 30°-95°

 40°-95°

 30°-90°

 30°-90°

 40°-85°

 40°-100°
 35°-80°

 50°-95°

 40°-80°
Physical Strength Excellent Good Good Good Good Good Poor Good Poor
Compression Set Good Good Good Fair to Good Fair Good Good Good Good
Tear & Abrasion Resistance Excellent Good Good Good Good Good Good Good Poor
Resilience Excellent Good V. Good V. Good Fair Good Good Fair Fair
Permeability to Gases Poor Fairly Low Fairly Low Low Low Low Fairly Low Very Low Fairly Low
Electrical Strength Excellent Excellent Excellent Good Good Poor Excellent Good Excellent
Resistance to:
Flame Poor Poor Poor Self-Extng Good Poor Good Self-Extng Self-Extng
Water V. Good Good Excellent Good V. Good Good Good Good Good
     Heat ( max°C )     Continuous Intermittent 75°C 105°C 85°C
115°C		 130°C   
150°C		 95°C 
125°C		 130°C   
160°C		 100°C
130°C		 205°C  
350°C		 205°C
300°C		 170°C    
220°C
Low Temp -60°C
 -55°C
 -50°C
 -35°C
 -25°C
 -20°C
 -60°C
(-80°C)		 -20°C
 -60°C
Oxidation Fair Fair Excellent V. Good Excellent Good Excellent Outstanding Excellent
Ozone Poor Poor Outstanding V. Good Outstanding Fair Outstanding Outstanding Outstanding
Oil ( @ 20°C ) ASTM No.1
ASTM No.3		     
Poor   Unsatisf.
Poor   Unsatisf.		            Fair   Unsatisf.
Excellent       Good       		                      Excellent       Excellent             Excellent Excellent         Excellent Good               Excellent Excellent               Excellent Excellent
Oil ( @ 100°C )
   ASTM No.1     ASTM No.3 
Unsatisf. Unsatisf.
Unsatisf. Unsatisf.		       Unsatisf. Unsatisf.     
Good               Fair             		          
Good              Fair             		            Good Good      
Good     Fair      		    150°C Excellent 150°C Excellent     150°C Excellent 150°C Excellent
Fuel ( @ 40°C )
ASTM ' B '		      Unsatisf.       Unsatisf.          Unsatisf.                         Poor                                  Poor                Fair      Unsuitable               Excellent                           Fair
Solvents (@20°C)
Alcohol          Acetone         Benzene         		         Good   Fair    Unsatisf.              Good   Fair     Unsatisf.             Good     Good     Unsatisf.                            Good        Fair          Unsatisf.                                   Good             Fair               Unsatisf.                   Good    Unsatisf. Unsatisf.                  Good     Fair       Unsatisf.                          Good   Unsuitable   Good                      Good   Unsuitable   Good  
  Chemicals      Acid            Bases                        Fair   Good               Fair    Good                 Good    Good                         Good            Fair                                               V. Good            Good                   Good    Fair                       Fair       Fair                      Excellent    Good                         Good             Fair          
 

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