What is the applicable temperature range for low-foaming printing and dyeing auxiliaries?

The applicable temperature range for low-foaming printing and dyeing auxiliaries is not a single fixed number; rather, it spans from 20°C to 130°C+, highly dependent on the specific wet processing stage and—critically—the cloud point of the surfactants used.

Because many low-foaming auxiliaries rely on nonionic surfactants (like EO/PO block copolymers or alcohol alkoxylates), their behavior changes dramatically at different temperatures.

Temperature Segmentation by Application

The operational temperature generally falls into three distinct industrial windows:

1. Low to Ambient Temperature Window (20°C – 60°C)

Applications: Room-temperature texturing, batch emulsification, denim washing, and the preparation of high-viscosity textile printing pastes (rotary screen and digital inkjet).

Auxiliary Behavior: At these temperatures, the surfactants are highly soluble. Low-foaming properties in this range rely on structural design (like short-chain fatty alcohols or bulky alkyl