ISOPHTHALIC AND TEREPHTHALIC RESINS

Properties VRP 2131 VRP 2132 VRP 2141
Type Medium Reactive Isophthalic
Acid based Resin
Isophthalic Acid based
Rooflite Resin
Purified Terephthalic Acid
based Resin
Appearance Clear Clear Clear
Viscosity at 25°C (Cps) 550 – 600 150 – 180 550 ± 600
Acid value (mg KOH / gm) <15 <15 <15
Specific gravity at 25°C 1.12 1.11 1.12
Gel time at 25°C (Min) a 15 ± 5 15 ± 5 15 ± 5
Exotherm (°C) 190 ± 10 195 ± 10 190 ± 10
Volatile Content (%) 40 ± 1 46 ± 1 40 ± 1
Shelf life (Months) b 6 6 6
a) Gel time test conducted using 1.5% of Cobalt Octoate 2% and 1.5% of MEKP
b) Shelf life of resin when stored below 25°C in sealed containers away from sunlight