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Fire resistant conveyor belt / high temperature 800℃ resistant conveyor belt
- 产品描述
-
Introduction
Fire resistant conveyor belt are widely used in steel, cement, metallurgical industry and so on , mainly transport agglomerate, hard coke and so on . Due to the materials temperature is very high , such as 400℃—800℃,separately over 1000℃,what more the different working environment, the cover rubber and skeleton materials of common heat resistant conveyor belt can't bear high temperature for a long time, it appear surface spoiled ,burning, mass fallen ,blister, skeleton materials burnt , and influence the working life .
In order to improve the conveyor belt working life , our company carried out the burn resistant conveyor belt series .
Burning resistant conveyor belt body structure and characteristics,main structure: Burning resistant layer, transit layer ,heat protection layer, strength layer and heat resistant.
Technical indexes
code
Test items
Unit
Standard
Results
1
Surface quality
/
/
standard
2
Width deviation
mm
±10
-2
3
Upper cover rubber thickness
deviationmm
≥6.65
7.00
4
Bottom cover rubber thickness
deviationmm
≥2.80
3.10
5
Longitudinal through thickness
tensile strengthN/mm
≥450
465
6
Horizontal through thickness
tensile strengthN/mm
≥100
145
7
Through thickness longitudinal
elongation%
≥1.0
0.7
8
Longitudinal through thickness
elongation of break%
≥3.0
3.7
9
Cover burning test
Depth in firstmm
≥0.5
0.3
10
Ten time burning test indepth
mm
≥0.1
-0.4
11
The min tensile strength value of
cover of after hot air aging at
125℃×168hmpa
5
12
12
The change rate of tensile strength
reduction%
40
25
13
The min elongation at break
%
180
450
14
The change rate of tensile
strength reduction%
55
34
15
Average longitudinal adhesive between plies at normal
temperatureN/mm
≥6.0
18.6
16
Min longitudinal average value
between pliesN/mm
4.0
18
17
Average longitudinal value
between cover and carcassN/mm
≥6.0
16.8
18
Min value between cover and
carcassN/mm
4.0
16.4
19
Cover thickness ＞3mm：
longitudinal average value
between cover rubber and carcass20
Min longitudinal value between
cover and carcassN/mm
4.0
16.8
21
At 160℃ between fabric layers
N/mm
≥3.0
6.2
22
Min longitudinal value between
pliesN/mm
2.0
4.3
23
thickness ＜3mm： longitudinal
average value between cover and
carcassN/mm
≥3.0
4.8
24
Min longitudinal value between
cover and carcassN/mm
2.0
4.4
25
Cover thickness ＞3mm：
longitudinal average between
cover and carcassN/mm
≥3.0
5.6
26
Min longitudinal between cover
and carcassN/mm
2.0
5.1
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