Page 484 - IS-Rayfast Catalogue - Issue 9, 2017

Adhesives and Tapes
High Temperature Epoxies
Maximum Operating Temp. up to 340ºC
Properties and Part Selection

1 Selection Table - Epoxy-Based Adhesive Properties
Features Conductive Room Temperature Cure
2 Product Ref 120 132IP 4461IP 4525IP 4538 7050

Nylon
Electrically Super
3 Super Highly Low resistant, flexible bonder,
Properties electrically thermally viscosity general stress free bonds
conductive conductive adhesive most
purpose adhesive
4 plastics
Maximum Temp. ºC 260 260 260 260 230 205
5
Components Colour Silver Silver Amber Black Tan Black
6
Viscosity cps 25,000 36,500 600 25,000 10,000 20,000
7 Density gm/cc 3.8 1.8 1.1 1.7 1.0 1.3

Hardness Shore ‘D’ 70 75 90 90 60 - 80 70
8
Tensile Strength psi 6,500 7,200 9,500 10,000 6,000 5,000
9 Thermal Conductivity 7.2 5.7 0.57 1.9 1.0 0.65
(W/mºC)
Thermal Expansion
10 (x 10-5 / ºC) 5.4 8.0 5.4 3.3 6.0 4.8
Dielectric Strength kV/mm N/A 3.9 17.55 17.55 17.55 15.6
11
Volume Resistivity ohm-cm 0.00008 106 10 13 10 15 10 14 10 14
12
Heat Distortion ºC 210 210 210 210 75 75

13 Elongation % 0.2 0.2 5.0 2.0 12 - 100 3.0
Thermal Stability %
(1000hr @ 200ºC) 0.2 0.2 0.2 0.05 0.5 0.5
14
Shrinkage % max 0.2 0.8 0.8 0.2 0.8 0.8
15 Moisture Absorption
% 30 Days 0.2 0.2 0.15 0.1 0.5 0.2
16 Mix Ratio (by weight) 100:3.4 100:8 100:17 100:8 100:120 100:10
Working Time 30 30 30 30 90 30
25 gms (mins. @ 24ºC)
17
Cure (hrs. @ 24ºC) 16 - 24 16 - 24 16 - 24 16 - 24 16 - 24 4 - 16
18
Cure (mins. @ 120ºC) 7 5 5 5 60 1 - 2 hrs

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