pVOH can be softened by adding glycerin or propylene glycol after cooking and cooling. Addition rate is typically 5-10% of the dry pVOH weight in the cook. The tradeoff is set speed. Both glycerin and pg act as humectants (materials which hold onto water, and slow set), which can be detrimental to winding operations. Water…
FAQ Category: Adhesives
I would like to pump a PVA adhesive with a viscosity of 2500 CPS to our glue applicator pots. (approx. 20Ft.) I was hoping someone could recommend the type of pump to use. I would also like a dead man switch at the nozzle. We all know if you can tune it on and walk away someone will. (Glue is no fun to clean up).
Specialty Adhesives, Inc.