PVD Vacuum Coating For Stainless Steel Scissors Kitchen Knife Sharp Anti-rust Metal Cutting Tools This multi-arc ion plating equipment forms hard anti-rust coating on stainless steel cutting tools. The high-hardness thin film improves scratch resistance, resists acid corrosion from food and daily washing. Food-safe coating meets kitchenware hygiene standard, suitable for scissors, kitchen knives and metal cutting tools batch processing. Long service life coating avoids fading