NT CAT PC-41 is a moderately active trimerization catalyst.

NT CAT PC-41 is used in a wide variety of rigid polyurethane and polyisocyanurate foam applications. It has excellent blowing capability and excellent delayed curing. It is recommended for use as a co-catalyst with other polyurethane and polyisocyanurate catalysts,such as,NT CAT PC-8、NT CAT K-15,particularly in formulations with an isocyanate index greater than 105–110.



Items Spec
Total amine value(mgKOH/g) 450-550
Moisture , % max 0.5


Typical Properties
Appearance Colorless to yellowish Liquid
Viscosity@25℃ mPa*.s 26~33
Specific Gravity@,25℃(g/cm³) 0.92~0.95
Flash point,PMCC,℃ 104
Water solubilty Soluble


Storage Information:
NEWTOP Chemical recommends that our catalysts be stored in a dry and cool area under appropriate ventilation conditions. Each container should be closed tightly to avoid contamination with moisture or other negative influences that could change the products’ performance in the end use. The optimum storage temperature is between 10 °C and 30°C. Lower and higher storage temperatures are not preferable and should be avoided.

Shelf Life:
12 Months

Standard Packaging:
1、 180KG Steel Drum
2、 IBC Drum is recommended.