Suitable temperature range for Phosphino-Carboxylic Acid (PCA)

For Phosphino-Carboxylic Acid (PCA), a water treatment polymer, the suitable temperature range depends on the operating context. While it offers good thermal stability, the specific temperature limits are as follows:

Maximum Operating Temperature: Up to 200°C. PCA is reported to be stable at this temperature in certain applications. Some suppliers simply note it has "good thermal stability".

Ideal and Effective Range: PCA is highly effective in typical water treatment conditions. Its performance is notably good in hard, hot water, and it has been proven effective as a scale inhibitor in cooling and boiler water systems at temperatures up to 80°C.

Storage Temperature: To maintain product integrity, it is recommended to store PCA between +5°C and +30°C. Some sources also suggest it can be stored above -12°C to prevent issues like freezing.

In summary, PCA's working range is generally considered to be up to 200°C, with excellent scale inhibition performance demonstrated at common industrial water temperatures like 80°C.