Page 501 - IS-Rayfast Catalogue - Issue 9, 2017

Adhesives and Tapes
Ceramic Potting Compounds
Durapot ® Product and Properties Guide
Electrical and Industrial Application

®
Durapot 800 Range 1
High Performance Encapsulating and
Embedding Materials
2
These high temperature potting compounds
offer temperature stability plus excellent
chemical, solvent and electrical resistance. 3
Durapot 800 series is available packaged in
either Quart (US), or Gallon (US) packs, with the
exception of 821 which is packaged as either 4
Pint or Quart.
Cure times can be accelerated by mild heat
5
(65ºC to 95ºC), whilst post cures @ 120ºC will
improve moisture resistance for 801, 808, 809,
814 and 821.
6
®
Durapot 801 1840ºC Pure Alumina
®
Durapot 804 1650ºC 96% Alumina 7
Durapot 805 1650ºC 96% Alumina
®
®
Durapot 809 1530ºC Electrically resistant
®
Durapot 810 1650ºC Thermally conductive 8
®
Durapot 814 1100ºC High Speed setting
®
Durapot 821 1370ºC Low Expansion
9
Unique High Performance 10
Potting Compounds
up to 13.65 kV/mm 11
dielectric strength
12
Ceramic Potting Compounds Features Table
Product 801 804 805 809 810 814 821 13
Pure Small Large High Therm. Fast Low
Special Feature
Alumina Parts Castings Dielectric Cond. Cure Expansion
14
99% 96% 96% Zirconia Fused
Base Mg0 Alumina
Alumina Alumina Alumina Silicate Silica
Temperature Limit ºC 1800 1650 1650 1530 1650 1100 1370 15
Volume Resistivity (ohm-cm) 10 15 10 10 10 10 10 11 10 11 10 8 10 8
Dielectric Strength (kV/mm) 13.65 6.82 6.82 10.53 10.53 4.88 4.88 16
-6
Thermal Expansion (10 / ºC) 7.74 7.20 7.20 4.68 8.10 8.10 0.54
Thermal Conductivity (W/mºC) 1.15 1.15 1.44 0.57 2.16 1.15 0.72 17
Pot Life 15 min 30 min 30 min 20 min 20 min 20 min 20 min
Cure Time @ room temp. 24 hrs 24 hrs 24 hrs 24 hrs 24 hrs 24 hrs 24 hrs
18
Mix Ratio 100:44 100:19 100:12 100:13 100:13 100:30 100:44

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