
Round Air Punch - Vacuum Packaging Air Hole Blade
440C Martensitic Stainless Steel — Air Hole
Round air punch blades for vacuum packaging and thermoform machines. Made from 440C stainless steel with high corrosion resistance, food-grade quality.
- Round geometry
- Air hole design
- 440C Stainless Steel
- High corrosion resistance
Technical Specifications
Why This Product?
High Corrosion Resistance
Full protection against rust in wet and salty food environments
HACCP Compliant Surface
Ra ≤0.3 µm electropolished food-grade hygiene
HRC 58-60 Hardness
Martensitic structure balances edge retention and corrosion resistance
Applications
Detailed Information
Round air punch blades create circular ventilation (vent) holes in vacuum packaging. Manufactured from AISI 440C martensitic stainless steel.
Corrosion Resistance: High chromium content provides superior resistance to rust and pitting corrosion in wet food packaging environments. No performance loss even in salty environments (seafood packaging).
Surface Treatment: Electropolished to Ra ≤0.3 µm roughness, food contact quality compliant with HACCP and FDA 21 CFR 175.300 standards.
Compatible with all major thermoform and vacuum packaging machines.
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