Material Drying
6 görüntüleme
PA66 hot water hydrolysis
Sorun Belirtisi
PA66 hot water pipe joints crack brittlely and leak after two years of use
Neden Analizi
High-temperature hot water hydrolyzes amide bonds, molecular weight continuously decreases, and the material gradually embrittles; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
Çözüm
Switch to hydrolysis-resistant grades or PPA for long-term hot water contact; long-term hydrolysis verification is mandatory for working temperatures above 80℃; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
Temel Çıkarım
Material selection for high-temperature water conditions must consider hydrolysis life; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
Bu faydalı oldu mu?
0 kişi bunu faydalı buldu
Geri bildiriminiz için teşekkürler!