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YCI-Phos Z400 Microcrystalline Zinc Phosphating
High-Density Microcrystalline Conversion Coating
Heavy microcrystalline zinc phosphate conversion coating engineered for high-grade powder coating and cathodic electro-deposition (CED) primers. Yields uniform grey crystalline lattice ensuring 1200+ hours ASTM B117 salt spray endurance.
Key Operational & Quality Advantages:
- Guaranteed 1200+ Hours ASTM B117 salt spray resistance under standard polyester powder coat
- Proprietary low-sludge internal accelerator reducing tank cleanout frequency by 3x
- Ultra-dense microcrystalline lattice preventing paint undercutting and filiform corrosion
- RoHS & REACH compliant, completely free from hazardous heavy metals like nickel and cadmium
Technical Data Sheet (TDS) Specifications
Operating limits and titration standards for industrial plant immersion & spray lines.
| Product Code / Trade Name | YCI-Phos Z400 (YCI-Phos Z400 Microcrystalline Zinc Phosphating) |
| Recommended Concentration | 4% - 6% v/v (40 - 60 ml/L in water) |
| Operating Bath Temperature | 50°C - 65°C |
| Bath Pointage / Titration Range | Total Acid: 22 - 28 Pts | Free Acid: 1.8 - 2.5 Pts | Accelerator: 1.5 - 2.5 Pts |
| Immersion / Contact Time | 5 - 10 Minutes (Immersion) / 90 - 180 Secs (Spray) |
| Film / Coating Weight | 1.8 - 3.5 g/m² (Fine Microcrystalline) |
| pH Range | 2.4 - 3.2 |
| Application Method | Immersion & High-Pressure Spray Lines |
| Standard Industrial Packaging | 35 Kg HDPE Carboys / 220 Kg Barrels |
| Quality Compliance & Directives | ISO 9001:2015 • RoHS Directive 2011/65/EU • REACH Compliant |
- Maintain TA:FA ratio between 10:1 and 12:1 to avoid coarse crystalline formation.
- Check accelerator gas points every 4 hours using a saccharometer tube.
Complementary Pretreatment Chemistries
Chemclean Y-25 Water-Soluble Alkaline Degreaser
Chemclean Y-25 is an alkaline water-soluble chemical designed to work very effectively on heavy to light grease, dirt, and oil on ferrous metal and their alloys at working temperature 60-65°C.
Chemclean Y-20 Non-Caustic Alkali Base Cleaner
Chemclean Y-20 is an alkali base non-caustic cleaner. It is highly effective for removing grease, oil, and dirt from any metal. It is also an optimized hot process chemical.
Chemclean Y-30 Low-Temperature Heavy Alkaline Cleaner
Chemclean Y-30 is a heavy alkaline cleaner operating with lower temperature requirements. It removes oil, grease, etc. rapidly from all ferrous metals, saving energy.