| ELECTRICAL
EPOXY RESIN GUIDE - PROPERTIES |
|
ALCHEMIE PRODUCT
CODE
|
DESCRIPTION
|
COLOUR
|
SHORE HARDNESS
|
MIXED VISCOSITY
(Poise @ 25°C)
|
USABLE LIFE (mins
@ 25°C)
|
NO FLOW TIME (Mins
@ 25°C)
|
| STANDARD
FILLED EPOXY RESINS |
| EP4400
/ H78 |
High
quality Potting resin exhibiting excellent surface finish, and very
low exotherm. |
Black |
85D |
60 |
60 |
180 |
| EP4401
/ H79 |
Very
similar material to EP4400 with pigmented hardener to aid mixing. |
Black |
85D |
70 |
60 |
180 |
| EP4406
/ H81 |
Highly
Ozone/UV resistant finding uses with anti-static Technologies. |
Blue |
88D |
15 |
180 |
320 |
| EP4410
/ H104 |
Low
viscosity resin, having the best de-gassing properties of the range |
Black |
80D |
20 |
40 |
60 |
| EP4412
/ H89* |
Quick
curing system showing the same properties as EP4400. |
Black |
85D |
60 |
30 |
60 |
| EP4430
/ H100* |
Slow curing system, good adhesion
and heat resistance. |
Black |
90D |
108 |
60-120 |
120-240 |
| THERMAL CONDUCTIVITY
EPOXY RESINS |
| EP4501
/ H88* |
Thermally
conductive system, especially suited to large volume castings. |
Off
white |
75D |
80 |
120 |
210 |
| EP4505
/ H83* |
Excellent
degree of Chemical and Heat resistance. |
Black |
90D |
15 |
90 |
180 |
| EP4511
/ H80* |
Lowest
viscosity in the range allowing easier dispensing. |
Grey |
87D |
25 |
60 |
180 |
| EP4513
/ H106* |
Highest available thermal
conductivity with good hest deflection. |
Grey |
92D |
100 |
60 |
180 |
| EP4515
/ H |
High level of thermal conductivity
with good flame retardency. |
White |
49D/97A |
68 |
60 |
180 |
| EP4520
/ H96* |
Excellent
adhesive properties, whilst retaining a high degree of heat transfer. |
White |
90D |
100 |
120 |
240 |
| UNFILLED
EPOXY RESINS |
| EP4701
/ H82 |
Exhibits
very low thermal expansion characteristics. |
Clear |
85D |
5 |
40 |
60 |
| EP4702
/ H86* |
High
resistance to UV and abrasion. |
Clear |
88D |
2 |
60 |
180 |
| EP4720
/ H97* |
Highest
impact resistance of the range. |
White |
78D |
7 |
20 |
30 |
| EP4730
/ H98* |
Extremely
low viscosity allow material to penetrate the most intricate components. |
Clear |
85D |
0.4 |
30 |
40 |
| EP4731
/ H121* |
Ultra low viscosity resin with long
potlife and low exotherm |
Clear |
85D |
1 |
65 |
85 |
| EP4740
/ H99* |
System
exhibits very high acid resistance for hazardous environments. |
Black |
88D |
7 |
40 |
90 |
| EP4750
/ H109* |
Low
viscosity. Excellent electrical properties to temperatures in excess
of 100 deg C |
Black |
85D |
3 |
30 |
40 |
| EP4750
/ H110* |
Low viscosity, electrical properties
in excess of 100°c |
Black |
85D |
3 |
50 |
55 |
| EP4752
/ H115 |
Low viscosity, low exotherm for
large castings. |
Black |
75D |
3 |
30 |
90 |
| EP4753* |
As 4752 but with improved adhesion |
Black |
80D |
9 |
40 |
60 |
| ONE CONPONENT
EPOXY RESIN SYSTEM |
| EP
4601* |
Excellent
heat and chemical resistance. Excellent adhesion even when humid
and thermally cycled. |
Blue |
85D |
1400 |
1
Year |
See
Data Sheet |
| SPECIALIST
EPOXY RESIN SYSTEMS |
| EP4430
/ H100 |
Material
has resistance to X-Ray and UV, also highly impact resistant. |
Black |
85D |
108 |
90 |
180 |
| EP4800
/ H89* |
Flexible
Epoxy, low stressing on components. |
Red |
95A |
15 |
20 |
40 |
| EP4820
/ H103 |
Low
viscosity, chemically and heat resistant material |
Black |
90D |
10 |
40 |
90 |
