
| Associated Products | Material | Application Case | 
| DX309 | Cast Iron | 5% DX309 with the remainder water, soak and then dry the cast iron parts, prevents yellowing for 30 minutes. | 
| DX621 | Cast Iron | Using DX621 to replace 50% of the monoethanolamine borate ester in a fully synthetic cutting fluid for cast iron rust prevention. |