Promat DURATEC®
High Quality Asbestos Replacement Board
INTRODUCTION
Promat DURATEC®
materials are “technical ceramics” made from calcium silicate.
They are
formulated without the use of asbestos fibres, and are thermally and electrically insulating...
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Promat DURATEC®
High Quality Asbestos Replacement Board
INTRODUCTION
Promat DURATEC®
materials are “technical ceramics” made from calcium silicate.
They are
formulated without the use of asbestos fibres, and are thermally and electrically insulating materials
for high temperature insulation use.
Mechanical properties Promat DURATEC®
750 Promat DURATEC®
1000
Nominal density 1400kg/m3
1400kg/m3
Flexural strength 23MPa 16MPa
Hardness 80 [Shore D] 70 [Shore D]
Compressive strength
at 10% compaction
55MPa 31MPa
Electrical properties Promat DURATEC®
750 Promat DURATEC®
1000
Flatwise electrical strength 7300kV/m 4700kV/m
Arc resistance,
Stage 40 (40 mA)
> 420 seconds > 420 seconds
Volume resistivity 25°C
600°C
9.
0 x 1010
Ω cm
1.
0 x 1010
Ω cm
7.
5 x 1010
Ω cm
3.
1 x 1010
Ω cm
Surface resistivity 25°C
600°C
10.
0 x 1010
Ω
7.
0 x 109
Ω
4.
1 x 1010
Ω
3.
9 x 109
Ω
Relative permittivity 25°C
600°C
7.
6
21.
0
4.
7
4.
0
Dissipation factor 25°C
600°C
250
400
640
510
Comparative tracking index > 50
Less
