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BONDERITE® M-PT 21A

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Neutralizing agent for phosphate and oxalate coatings during metal drawing operations.

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Product Overview

BONDERITE® M-PT 21A (also known as PARCOLENE 21A) is a powerful neutralizing agent for phosphate or oxalate acidic coatings on steel alloys. Its primary function is to address the acidic residues left on the steel surfaces after the phosphate coating process, thereby ensuring the workpieces are free from potential contaminants that can compromise performance or longevity. By neutralizing these residues, BONDERITE® M-PT 21A plays a critical role in preparing metal surfaces for subsequent operations without the risk of corrosion or surface defects. It is versatile in its application methods, allowing for usage in an immersion bath that efficiently coats all surface areas or a more targeted spray application that offers flexibility for different operational needs.

Applications

Steel cold-forming operations, including tube drawing, extrusion, and wire drawing

Features & Benefits

Eliminates residual acidity post water wash
Reduces contamination on steel surface
Raises temperature of workload
Provides corrosion protection to metal part
Extends lubricant bath life
Reduces moisture pick-up
Prevents drag-in of acidic material

Problems Solved

Poor or incomplete acid neutralization of phosphate-coated steel
Poor thermal stability and operating range
High treat rate for bath preparation
Corrosion and surface defects on rod and wire due to acidic residue

Product Specifications

Concentration: 2.5 to 3.5 points (ml)
Temperature: 150° to 180°F
Time (Immersion): 1 to 2 minutes
Time (Spray): 5 to 60 seconds
Appearance: powder

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