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BONDERITE® M-ZN 958 is a polycrystalline metal pre-treatment designed for aluminum, steel, zinc alloy coated steel, electro-galvanized steel, and galvanized steel. It provides high alkaline resistance and a processing temperature of 115°F±5°F.
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BONDERITE® M-ZN 958 is an eco-friendly, nitrite accelerated tricationic metal pre-treatment processed using immersion application. It is recommended for use on various metal substrates, including aluminum, steel, zinc alloy-coated steel, galvanized steel, and electro-galvanized steel, which can be processed individually or in mixed metal productions. Upon application, this solution forms a fine crystalline coating of manganese and nickel-containing zinc-phosphate, with excellent durability and protective properties for paint finishes, organic coatings, and electrocoating applications.
Appearance: clear, green liquid
Density: 1.5 g/cm³
pH value: 1.0
Total acid: 18─26 points (ml)
Free acid: 0.6 ─1 points (ml)
Accelerator: 2.0─3.5 points (ml)
Time: 2─5 minutes
Temperature: 115°F±5°F
Primary Chemistry: Zinc phosphate
Tricationic zinc-phosphate metal pre-treatment
Treats steel, galvanized steel, electro-galvanized steel, zinc-alloy coated steel and aluminum
For immersion application
Enhances bonding of paint finishes
Imparts corrosion resistance
High alkaline resistance
Improves durability of paint coatings
Environmentally friendly
Short processing time
coating weight is typically 2.0 to 3.5 g/cm³
Poor adhesion of paints or adhesives to metal surfaces
Corrosion of metal surfaces
Metal pre-treatment for steel, galvanized steel, electro-galvanized steel, zinc-alloy coated steel and aluminum
Pretreatment for electrocoat applications
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