Tested to meet ASTM E595, a standard used by NASA, these O-rings give off almost no volatile emissions that could damage sensitive electronics, even in a vacuum. They’re softer than standard Viton®, so they better conform to irregular surfaces.

This cord stock is softer and creates a better seal in low-pressure applications than standard Buna-N cord stock.

This soft cord stock creates a better seal in low-pressure applications that standard neoprene cord stock.