Polyurethane Dispersion (PUD) Tank Selection Bulk Storage

Storing Polyurethane Dispersion? Start Here

If you're handling polyurethane dispersion (PUD), you're likely involved in coatings for floors, textiles, or automotive interiors. This water-based polymer is a staple in the industry due to its versatility and low environmental impact. But before you store it, there are some key considerations to keep in mind to ensure the product remains effective and safe.

Can you store it in a poly tank?

Yes, you can store polyurethane dispersion in polyethylene tanks. Both HDPE and XLPE tanks are suitable for this purpose. These materials are standard for PUD storage, providing reliable containment for both bulk and day-tank applications.

Key Storage Issue: Freeze Protection

Polyurethane dispersion is sensitive to freezing. If it freezes, it doesn't recover well, which can ruin the product. To prevent this, make sure to install insulated jackets and heat-tracing systems, especially if you're in a cooler climate.

The safety that actually matters

• Ensure tanks are equipped with low-shear agitation to prevent product degradation.
• Maintain biocide levels to prevent microbial growth that can spoil the PUD.
• Monitor temperatures to avoid freezing and maintain product integrity.

Common questions

What materials are suitable for PUD storage tanks?

HDPE, XLPE, and stainless steel are all suitable materials for storing PUD.

Why is low-shear handling important?

Low-shear handling prevents grit formation and particle agglomeration, which can lead to product defects.

How can I prevent PUD from freezing?

Use insulated jackets and heat-tracing systems to keep the dispersion from reaching freezing temperatures.