Water Based Penetrant Product Comparison

 

ZL-4C

ZL-405

ZL-425

ZL-440
Penetrant Type Type 1 Type 1 Type 1 Type 1
Level N/A Level ½ Level 1 Level 2
Removal Type N/A Water washable Water washable Water washable
Method   A A / C B / C / D
QPL Qualified Product     ✔ ✔
AMS 2644     ✔ ✔
ASME ✔      
ASTM E165 ✔      
ISO 3452-2   ✔ ✔ ✔