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What are the reasons why a defoamer that passed testing turns out to be ineffective after purchase?
Release Date:
2021-01-26
Many people encounter no difficulties in inspecting and testing defoamers when purchasing them directly from manufacturers; however, product quality issues arise once they begin using them. What, then, is the root cause?
Deburring agent manufacturer Do you know what causes a defoamer that passed testing to perform poorly after purchase?
Many people encounter no difficulties in inspecting and testing defoamers when purchasing them directly from manufacturers; however, product quality issues arise once they begin using them. What, then, is the root cause?
1. Does it comply with your own foam‑generation management system?
Many customers evaluate defoamers by simply selecting a few soap‑water solutions for bottle‑test trials. However, the foam‑generation dynamics in actual production processes are fundamentally different from those of soap‑water systems; therefore, using soap‑water to test the product is not appropriate. Consequently, during testing, it is essential to conduct trials under conditions that replicate the customer’s own foaming process.
2. Usable pH range
Strong alkalis and strong acids impose stringent requirements on product performance; therefore, when purchasing, be sure to inform the seller of the medium’s environmental conditions. Otherwise, if the product cannot withstand such harsh conditions, it may undergo emulsion breakdown, severely compromising its intended effectiveness.
3. Considering the product’s shelf life
Some defoamers perform exceptionally well at first, but their effectiveness deteriorates significantly after a period of storage. This is because these products are highly sensitive to ambient temperature and humidity, so careful attention must be paid to their storage conditions.
4. Pay attention to the key aspects of dynamic product performance.
Customers operate in different industries and employ varying processing techniques, so their priorities regarding product performance also differ. Some prioritize foam‑suppressing properties, while others emphasize emulsion‑breaking performance. Therefore, when making a purchase, we recommend that customers clearly communicate their specific industry and application to our technical experts, so they can determine which performance characteristics are most critical for their needs.
5. The scope of application for on‑machine operations differs from laboratory testing.
The data and results obtained from laboratory testing of defoamers are relatively limited and serve only as a reference, as laboratory conditions cannot replicate every stage of field application. Therefore, Qisheng Trading recommends that, after successful trial‑batch testing, customers first purchase a medium‑size sample for further evaluation before proceeding with bulk procurement.
That concludes the explanation of why a qualified antifoaming agent purchased for laboratory use may not perform as expected. We hope this has been helpful to you.
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