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EPUSIL U 248-0
Low viscosity,
very fast cure, casting urethane compound
DESCRIPTION
Epusil U 248-0 is a low viscosity, two
components fast curing polyurethane casting
compound. The cured compound performs high physical
properties even elevated temperatures especially in
molded parts.
PROPERTIES - Uncured
PART A
PART B
Viscosity, cps @ 250C
..........................
4700-6200 100-150
Specific Gravity g/cm3
..........................1.48
1.2
Mix Ratio (weight) (with UC
138)..…..... 100:25
Mixed Viscosity
.............................…....
4.500
Gel Time @ 250C, min
...............…........ 5 to
7
De mold Time 250C, min
............…........ 30
Ultimate Cure 250C, days
...........…........ 6-7
Shelf Life 250C, months
......................
12 12
PROPERTIES - Cured
Hardness, Shore D
...............................
75+/-2
Tensile Strength kg/cm2
................….. 210-230
Tensile Elongation %
........................... 2-3
Compressive Strength kg/cm2
...........… 500
Water Absorption %
.........................… 0.4
Working temperature 0C
...................… -20 to 90
MIXING INSTRUCTION
1.
Pre mix Epusil U 248-0 in the original container.
2.
Weigh out the required amount of part A.
3.
Weigh into 100 parts of Part U 248-0 (A) 25 parts of
UC 138(B) or 35-37 parts of UC 143.
4.
Mix thoroughly scraping both sides and bottom of the
mixing container.
5.
Pour into mold.
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