The chemical resistance charts contain recommendations based on published corrosion data for valid laboratory or field tests. However, this data should be used only as a guide and is not a guarantee of actual service performance.

It is recommended that the user test the combination before connecting the product to any application. For additional recommendations contact Flexline.

Index to Laboratory Corrosion Data Chart

<.00035 inches in penetration/month

.00035-.0035 inches of penetration/month

>.0035 inches of penetration/month

* Subject to decomposition (forming HCI) in presence of moisture

** Subject to pitting at air lime or when allowed to dry

*** Subject to attack in presence of H2SO4

18-8 Stainless Steels are Types 304, 304L, 321 and 347

18-8 Mo. Stainless Steels are Types 316 & 316L

Corrosion Rate
-Resistant -Class 1
-Partially Resistant –Class 2
-Not Resistant –Class 3