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: 




Isonate 143L

Modified MDI


ISONATE* 143L modified MDI is a polycarbodiimide-modified diphenylmethane diisocyanate.

Liquid at room temperature, this product has a low viscosity and good storage stability down to

75°F (24°C). The polycarbodiimide adduct offers extra flexibility because adduct formation

is reversible (dissociation generates an additional isocyanate function). The carbodiimide

linkage aids the stabilization of the polymer against hydrolytic degradation. Because this

product can be used alone or in mixtures with prepolymers, its higher functionality offers

faster demold times than is ordinarily possible with linear prepolymers. A unique combination

high modified MDI content, available carbodiimide, and liquid state allows ease of handling,

ease of processing and maintenance of high physical properties under strenuous wear

and environmental conditions.



Reaction of Isonate 143L and Versalink P-1000 to form polyurea





Bayville Chemical Supply Company Inc. offers a wide range of ultra-pure, specialty and custom chemicals for the Research, Industrial and Production industries. Our products are currently in use in the Aerospace Industry, Military, Semiconductor, Electronics, Plastics, Ceramics and many other industries.

From our main office in Deer Park, New York USA we source and select only the very best product to match exactly your specific custom needs. We specialize in difficult to locate inorganic and organic chemicals, high-purity gases and gas mixtures, standards and custom Sputter Targets, evaporation materials, ceramics and Vitreous Carbon and a variety of coating materials.


No project is too small or too large for our staff to follow through to completion. Our company mission statement is The Customer Comes First. This is the oath we live by.

2013 was our 10 year anniversary, 2003-2013, Come celebrate with us!
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