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Pass 70 Heavy-Duty Passivating Chemical
Advanced Passivation Formulation for Severe Marine & Outdoor Conditions
Pass 70 is Yash Chemical Industries’ heavy-duty chromium passivation product. Specially formulated for export machinery, automotive underbody components, and outdoor enclosures, it deposits an impervious passive barrier across phosphated steel.
Key Operational & Quality Advantages:
- Maximum pore sealing density across zinc and iron phosphated surfaces
- Significantly impedes under-paint corrosion spread upon scratching
- High chemical stability across continuous production shifts
Technical Data Sheet (TDS) Specifications
Operating limits and titration standards for industrial plant immersion & spray lines.
| Product Code / Trade Name | Pass 70 (Pass 70 Heavy-Duty Passivating Chemical) |
| Recommended Concentration | 0.3% - 0.6% v/v in water |
| Operating Bath Temperature | Ambient to 45°C |
| Immersion / Contact Time | 45 - 90 Seconds |
| pH Range | 3.2 - 4.8 |
| Application Method | Final Passivation Rinse Bath |
| Standard Industrial Packaging | 35 Kg HDPE Carboys |
| Quality Compliance & Directives | ISO 9001:2015 • RoHS Directive 2011/65/EU • REACH Compliant |
- Check rinse water conductivity to avoid excessive chemical carryover.
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.