Proficiency Program


We are now accepting enrollment for the Proficiency Program.


To register please click here and fill out our registration form.




Material Testing


National Exposure Testing is one of the largest A2LA-accredited corrosion testing laboratories in Ohio. We specialize in Salt Spray, Cyclic Corrosion, CASS, Humidity, Fillform, and Kesternich testing.

Testing Supplies


From Arizona dust to mass loss coupons, National Exposure Testing carries a complete line of supplies and premixed solutions for a variety of testing procedures.

NET Products and Services


Our facility can test to a wide variety of ASTM, GM, Ford, and Chrysler standards, including corrosion, physical and life cycle testing. We also offer a full line of testing supplies, including premixed and certified testing solutions, scribe tables and tools, test racks and control panels. Please visit our sections on material testing, proficiency, and testing supplies to learn more.


Proficiency Testing Available!


ASTM B117 Salt Spray


GMW14872 Cyclic

ASTM D523 Gloss

ASTM D7091 Film Thickness

A2LA - Accredited Testing Laboratory


Valid To:     October 31, 2020


Certificate Number:     1197.01

© 2018 National Exposure Testing