ASA Emulsion Sizing (Alkenyl Succinic Anhydride Cellulose-Reactive) Tank Selection

Storing ASA Emulsion Sizing? Start Here

ASA Emulsion Sizing is a key player in the papermaking world, especially for mills producing fine paper, lightweight coated paper, and paperboard. This chemical is delivered as a neat oil and must be emulsified on-site for immediate use. It's crucial to handle it with care to maintain its effectiveness, primarily by keeping it dry and using it promptly after emulsification.

Can you store it in a poly tank?

Yes, you can store ASA neat oil in polyethylene tanks, but it's essential to maintain a nitrogen pad to prevent moisture contact. Both HDPE and XLPE tanks are standard for this purpose, as they comply with indirect food-contact regulations.

Key Issue: Moisture Control

The biggest challenge with ASA Emulsion Sizing is keeping it dry. Any moisture can trigger hydrolysis, rendering the chemical ineffective. Ensure your storage tanks are nitrogen-padded to maintain a dry environment.

The safety that actually matters

• Maintain a nitrogen pad to prevent moisture contact.
• Use the emulsion within 1-4 hours of production.
• Store neat oil in HDPE or XLPE tanks for optimal performance.

Common questions

Can ASA Emulsion Sizing be stored long-term?

It can be stored for up to 90 days in sealed IBCs with a nitrogen pad.

What happens if moisture gets in?

Moisture will cause the ASA to hydrolyze, reducing its effectiveness.

Is it safe for food-contact paper?

Yes, it complies with FDA regulations for indirect food-contact paper.