PN722

NEW PUNCH OIL

PN722 is a thin-bodied and highly effective drying punch oil. With low-viscosity and great EP qualities, it is particularly suitable for the precision punching & stamping process of silicon steel plates (without Heat Treatment). In addition, PN722 offers excellent rust preventive properties for longer storage of the processed parts.


Advantages
✓ Rapid evaporation, no residue, no-clean products;
✓ Good surface finish, improve machining accuracy;
✓ Great lubrication and anti-wear performance, extending tools life;
✓ Good rapid processing effect;
✓ Exclude sulfur, chlorine, and other harmful substances.
Specification

Spec. Gravity 60/60℉

0.782

Color ASTM

0.5

Viscosity cSt. @ 40℃

4.3

Flash Point ℉

> 40

Total Acid No. mgKOH/g

< 0.1

Copper Corrosion 212 ℉, 3 hrs. max.

1a

Load-Carrying Capacity Test , lb

1200