Material Guide

RubberBands UK currently use four different types of material to make rubber bands these are Natural Rubber (Latex), EPDM, Silicone and Neoprene.  Each material has it's own strengths and weaknesses and this guide will hopefully help you choose the correct one.

Properties Natural
EPDM Neoprene Silicone    
Abbreviation NR EPDM CR VMQ    
Latex Free NO YES YES YES    
Max continuous °C 80 110 100 200    
Max intermittant °C 100 125 120 250    
 Low temp'   °C -40 -40 -40 -60    
Oxidation Fair Excellent Very good Excellent    
Ozone & weathering Poor Excellent Good Excellent    
Oil Poor Poor Good Poor    
Flame retardance Poor Good Excellent Good    
Water Fair Excellent Good Good    
Alcohol Good Good Good Good    
Acetone Fair Good Fair Fair    
Acids Good Good Good Fair    
Bases Good Good Fair Fair    
Physical strength Excellent Good Good Poor    
Compression set Good Good Good Good    
Tear & Abrasion Excellent Good Good Poor    
Resilience Excellent Very good Very good Fair    
Gas permiability Poor Low Very good Good    
Electrical strength Excellent Excellent Good Excellent