| ELECTRICAL
EPOXY RESIN GUIDE - PROPERTIES |
|
ALCHEMIE PRODUCT
CODE
|
DESCRIPTION
|
COLOUR
|
SHORE HARDNESS
|
MIXED VISCOSITY
(Poise @ 25°C)
|
GEL TIME (mins
@ 25°C)
|
DENSITY
G/CM³ |
| STANDARD
FILLED EPOXY RESINS - AMBIENT CURE |
| EP4400
/ H78 |
High
quality Potting resin exhibiting excellent surface finish, and very
low exotherm. |
Black |
85D |
60 |
50-70 |
1.70 |
| EP4401
/ H79 |
Very
similar material to EP4400 with pigmented hardener to aid mixing. |
Black |
85D |
70 |
50-70 |
1.70 |
| EP4406
/ H81 |
Highly
Ozone/Chemically resistant, with flame retardant properties can be
used with anti-static Technologies. |
Blue |
88D |
15 |
180-240 |
1.59 |
| EP4410
/ H104 / H78 / H53 |
Low
viscosity resin, having the best de-gassing properties of the range.
Choise of hardeners |
Black
/ Red / Orange |
80D |
20
- 60 depending on hardener |
45-55 |
1.70 |
| THERMAL CONDUCTIVITY
EPOXY RESINS - AMBIENT CURE |
| *EP4505
/ H83 / H89 |
Excellent
degree of Chemical and Heat resistance. Excellent adhesion to
various substrates. |
Black |
90D |
15 |
120 - 240 |
1.68 - 1.73 |
| EP4511
/ H4511 / H80N* |
Low viscosity
and outstanding thermal dissipation. |
Grey
/ white |
87D |
25 |
60 -120 |
2.24 |
| EP4513
/ H106* |
Highest available thermal
conductivity with good hest deflection. |
Grey |
92D |
100 |
60 |
2.79 |
| EP4515
/ H4515 |
High level of thermal conductivity
and good flame retardant properties. |
White |
49D/97A |
68 |
60 |
2.20 |
| UNFILLED
EPOXY RESINS - AMBIENT CURE |
| EP4701
/ H82 |
Exhibits
very low thermal expansion and good thermal cycling characteristics. |
Clear |
85D |
5 |
40 |
1.10 |
| EP4702
/ H86* |
Strong and
good abrasion
resistance, low stress on components . |
Clear |
88D |
2 |
60 |
1.10 |
| EP4731
/ H121* |
Ultra low viscosity resin with long
potlife, low exotherm and low surface tension. |
Clear |
85D |
1 |
65 |
1.089 |
| EP4750
/ H109* |
Low
viscosity. Excellent electrical properties to temperatures in excess
of 100 deg C |
Black |
85D |
3 |
30 |
1.10 |
| EP4750
/ H110* |
Low viscosity, electrical properties
in excess of 100°c |
Black |
85D |
3 |
50 |
1.10 |
| EP4752
/ H4752 |
Low viscosity, low exotherm for
large castings. |
Black |
75D |
3 |
85-95 |
1.03-1.08 |
| EP4753/H114* |
As 4752 but with improved adhesion |
Black |
80D |
9 |
40 |
1.05 |
| EPOXY RESIN
SYSTEM - INFA RED & HEAT CURE |
| EP
4601* |
Excellent
heat and chemical resistance. Excellent adhesion even when humid
and thermally cycled. IR Cure 1 component |
Black |
85D |
1400 |
variable
depending on temperature |
1.53-1.55 |
| EP4420 /H4420 |
Heat cure, long potlife with flame
retardant properties. Low CTE value with excellent adhesion. |
Black |
95D |
120 - 200 |
15 - 20 |
1.74 |
|
SPECIALIST EPOXY RESIN SYSTEMS |
| EP4701
/ H82 |
Exhibits
very low thermal expansion and good thermal cycling characteristics. |
Clear |
85D |
5 |
40 |
1.10 |
| EP4702
/ H86* |
Strong and
good abrasion
resistance, low stress on components . |
Clear |
88D |
2 |
60 |
1.10 |
| EP4731
/ H121* |
Ultra low viscosity resin with long
potlife, low exotherm and low surface tension. |
Clear |
85D |
1 |
65 |
1.089 |
| EP4820
/ H103 |
Low
viscosity, chemically and heat resistant material especially
against diesel fuel |
Black |
90D |
10 |
40 |
1.41 |
