Bayville Chemical Supply Company Inc 70-G East Jefryn Boulevard Deer Park, New York, 11729 USA Telephone: 631-586-4309 Fax: 631-254-5591 E-Mail:
Bayville Chemical Supply Company Inc70-G East Jefryn BoulevardDeer Park, New York, 11729  USA           Telephone: 631-586-4309      Fax: 631-254-5591      E-Mail: 

Versalink® P-650

Versalink® P-650 oligomeric diamine curative is liquid at ambient temperatures and can be mixed, cast and cured at room temperature.  Versalink® P-650 can be used as a curative for various diisocyanates and their prepolymers and as an amine or anhydride cured epoxy modifier (to enhance flexibility).


Versalink® P-650 applications include molding compounds, castable elastomers, tooling compounds and encapsulation compounds as well as two-component adhesives, coatings, sealants and polyuria spray systems.


Due to its ease of processing, Versalink® P-650 is excellent for field repair.  When Versalink® P-650 is used to cure liquid MDI at room temperature; the resulting elastomers have a low shrinkage factor.



Physical State

Brown Liquid

Flash Point

> 157oC (PMCC)


2,500 mPa-s @ 40oC


0.98 gm/cm3 @ 21oC

Melting Temperature


Amine Equivalent Weight

355 - 475



  • Liquid at room temperature
  • Wide range of applications including polyurethane and epoxy systems
  • Excellent for field repair applications
  • Ambient cure produces elastomers with low shrinkage


Versalink® P-650 has a shelf life of 60 months from the date of manufacture and under the conditions that it is stored in factory-packed containers and protected against extreme weather conditions, particularly against heat and moisture.  The optimum storage temperature of Versalink® P-650 curative is in between 10oC and 30oC.  Lower and higher storage temperatures are not preferable and should be avoided.





Versalink® P-1000 is an EVONIK product.


Where to Find Us:

Bayville Chemical
70 East Jefryn Boulevard
Suite G
Deer Park, NY 11729

Phone: 631 586-4309

What's New

New larger location

As of August 2014, we have moved to this new, larger, modern facility to better service your needs.


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