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Liquid Zinc Phosphate Coating Agent for Conversion Coating Steel Surfaces Prior to Cold Forming Metalworking Operations


Product Overview

BONDERITE® M-ZN 860 XT is a chemical agent for the conversion coating process of steel surfaces to facilitate better cold forming metalworking performance.  BONDERITE® M-ZN 860 XT helps create a dense, fine-crystal zinc phosphate coating that helps retain applied lubricants for greater surface protection prior to difficult manufacturing processes.


BONDERITE® M-ZN 860 XT is engineered for dilution in large immersion bath systems.  A recommended starting dilution ratio is 50 pounds of BONDERITE® M-ZN 860 XT to 100 gallons solution.
The application of BONDERITE® M-ZN 860 XT should follow the complete process below.
  1. Surface Cleaning
  2. Water Rinse
  3. Acid Pickling
  4. Water Rinse (2-Stage)
  5. Treatment with BONDERITE® M-ZN 860 XT Solution
  6. Water Rinse
  7. Neutralization
  8. Lubricant Application

Features & Benefits

Durable & Robust Coating Coverage
Rapid Conversion Coating Process Time
Facilitates Faster Drawing Speeds & Deeper Draws
Reduces Metal Surface Friction & Damage

Problems Solved

BONDERITE® M-ZN 860 XT helps provide a solution to the following industry problems: 
Reduced or Inefficient Tool Life
High Frequency of Metal Cracking or Breakage
Poor or Inconsistent Drawn Metal Surface Finish

Product Specifications

Appearance: Colorless Liquid
Specific Gravity: 1.4 - 1.5
pH: <1
Operation & Control Parameters
Total Acid: 19 to 21 points (ml)
Acid Ratio: 5.5 to 7.5
Time: 3 to 5 minutes
Temperature: 150°F to 170°F (65°C to 76°C)

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