PU Chemical Resistance Chart
Polyurethane (PU) as found in the Strident series of safety & combat boots.
PU boots and safety shoes are built to endure extreme conditions and take the abuse that you demand from your everyday duty footwear.
Neptun use the trident rating system to give you an easy to reference rating of the effectiveness of our boots against common chemicals that they may be subjected to.
To understand the rating system please reference the "Trident Key" to understand what the ratings represent.