Nalco 93033 May 2026

According to the Safety Data Sheet (SDS) for Nalco 93033 (which you should always obtain before use):

Personal Protective Equipment (PPE):
Wear chemical-resistant gloves (nitrile or neoprene), safety goggles with side shields, and an apron. In case of splashing, use a face shield.

First aid measures:

Storage: Store in original sealed containers between 40°F and 100°F (4°C – 38°C). Protect from freezing; if frozen, thaw slowly at room temperature and agitate before use. Shelf life is typically 12–18 months.

To maintain the passive film, you must maintain specific residuals in the recirculating water: nalco 93033

| Parameter | Target Range | | :--- | :--- | | Orthophosphate (as PO₄) | 4 – 8 mg/L | | pH | 7.0 – 8.0 | | Total Hardness (as CaCO₃) | 50 – 600 mg/L | | Conductivity | < 3,500 µS/cm |

A typical starting dose for a new system or after a cleaning is 50-100 ppm of product based on system volume. For continuous feed, use the formula: According to the Safety Data Sheet (SDS) for

[ \textFeed (gallons/day) = \frac\textCirculation Rate (gpm) \times 1440 \times \textTarget ppm1,000,000 \times \textProduct Density ]

Most facilities use a bleed-and-feed controller that links chemical injection to makeup water flow or conductivity. Storage: Store in original sealed containers between 40°F

| Feature | Nalco 93033 | Traditional Molybdate | Nitrite-based | |---------|-------------|----------------------|----------------| | Corrosion control | Excellent (Fe & Cu) | Good (Fe only) | Good but toxic | | Scale control | Excellent (CaCO₃, CaPO₄) | Poor | Poor | | Environmental profile | Low aquatic toxicity if neutralized | Moderate (Mo is regulated in some regions) | High toxicity | | Cost per ppm active | Moderate | High | Low (but requires precise control) |

If your system operates at high temperatures (>140°F or 60°C) or low pH (<6.5), Nalco 93033’s performance may degrade—consult with a Nalco representative for those niche applications.