Industry News
Anhui Starch Glue Plants Trim Summer Pot-Life Guidance for High-Humidity Shifts
Corrugating adhesive makers in Anhui are issuing tighter pot-life and viscosity windows as midsummer humidity raises gel-risk on shared starch kitchens.
Starch adhesive producers serving East China corrugators say July humidity is forcing shorter recommended pot-life on common carrier-starch recipes, especially on night shifts where glue kitchens run warmer.
Several plants are pushing buyers to log gel temperature and Brookfield method on every delivery batch rather than relying on last quarter’s TDS alone. Offers that skip seasonal notes are losing trial slots even when drum price is lower.
Why buyers care: viscosity drift shows up as weak pins and board warp before anyone notices a “cheap” adhesive invoice.
Buyer takeaways
Require summer pot-life and gel-temperature notes on the quote, not after first claim.
Match viscosity method (spindle/speed/temperature) across sample and bulk lots.
Keep a second approved grade for humidity spikes instead of ad-hoc water cuts.