IsoCast AT303

IsoCast AT303 is a pourable, two- component, soft elastomer. Its low durometer hardness and low viscosity makes this product ideal for medical and athletic applications. Because of the slow rise in viscosity during cure, this elastomer is recommended for thin section parts and intricate molds.


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Technical Data Sheet
Product Types

Gel Elastomer


Product Testing

Test PerformedTest Results
Color - ISOClear w/Yellow Tint  
Color - POLGrey  
Demold Time24 Hours 
Full Cure24 Hours 
Hardness - ASTM D2240 - Shore OOO75 Shore OOO 
Pot Life - 100g2 Minutes 
Ratio by Weight - ISO:POL60:100