Application Focus

Pharmaceutical Equipment

Preventing cross-contamination, surface pitting, and mechanical wear on filling lines, mixing tools, and tablet compression dies while aligning with GMP standards.

The Challenge and Solutions

Pharmaceutical equipment; such as tablet presses, filling lines, and mixing tools; operates in environments where cleanliness is non-negotiable. Constant interaction with active ingredients, excipients, and rigorous sterilization protocols (like steam-in-place and chemical cleaning) causes surface pitting and mechanical wear.

Shital Plasma Nitriding offers a specialized surface hardening solution that maintains surface integrity, reduces friction, and prevents the cross-contamination risks associated with worn, corroded surfaces.

Pharmaceutical Equipment 1

How We Solve Pharmaceutical Equipment Challenges

Problem Faced Mechanism of Plasma Nitriding Solution
Scratch Mark Produces an extremely smooth, hardened surface that resists mechanical scoring, ensuring that contact parts remain clean and easy to sterilize.
Wear & Tear Significantly hardens the base metal of dies, punches, and feeders, ensuring dimensional precision and extended component lifespan under high-cycle conditions.
Surface Corrosion Creates a dense, chemically stable diffusion layer that serves as a high-performance barrier against oxidation and chemical attack from pharmaceutical agents and detergents.

Material Specifications for Pharmaceutical Equipment

In pharmaceutical manufacturing, the use of corrosion-resistant stainless steel is standard. Plasma nitriding is a preferred technology here because it enhances the surface hardness of these relatively soft stainless steels without introducing the risk of delamination common with electroplated coatings.

Material / Grade Application Area Target Surface Hardness Recommended Case Depth
Stainless Steel 300 Series Filling Nozzles & Contact Parts 850 – 1000 HV 0.05 – 0.15 mm
Stainless Steel 400 Series Tablet Press Punches & Dies 950 – 1150 HV 0.10 – 0.20 mm
PH Stainless (17-4 PH) High-Pressure Pump Parts 950 – 1100 HV 0.10 – 0.20 mm
Tool Steels (e.g., D2) Tablet Compression Tools 1000 – 1200 HV 0.05 – 0.15 mm
Note: For pharmaceutical applications, we maintain a focus on controlling the surface finish. Our plasma nitriding process is clean and vacuum-based, which prevents the formation of rough "white layers." This results in a superior surface profile that inhibits bacterial growth and particulate retention, aligning with GMP (Good Manufacturing Practice) standards [1].