This product is covered with flame retardant double rubber, and the core is composed of nylon canvas and polyester canvas. It is manufactured by machining procedures such as rlling. Molding and vulcanization. It can be used to transport non-corrosive lump, granular and powdered materials such as lumps and coal in flammable and burning places such as coal mines and thermal power plants.
Override the Prbber property
|
Overlay Performance Level
|
Tensile Strength /MPa
≥
|
Elongation at break /%
≥
|
Wear amount /mm
≤
|
|
D
|
18.0
|
450
|
200
|
|
L
|
14.0
|
400
|
250
|
|
When the thickness of the covering layer is 0.8mm~1.6mm, is the thickness of the sample the maximum thickness that can be cut out? At this time, the tensile strength and elongation at break are allowed to be less than 15% lower than the values in the table. Note: D- strong wear working condition; L- general working condition.
|
DIN 22102 grade rubber cover
|
Type
|
Standard
|
Tensile
Strength
min.
MPa
|
Ultimate
elongation
min.
%
|
Abrasion
max.
mm
|
Density
g/cm
|
Basic
material
|
Hardness
°Sh
|
Tenperature
range
°C
|
|
FIRE RESISTANT BELTS
|
|
K
|
DIN 22102 K
ISO 433 K
|
15
|
400
|
150
|
1.30
|
NR/BR
|
60±5
|
-30 to +60
|
|
S
|
DIN 22102 S
ISO 433 S
|
15
|
400
|
150
|
1.30
|
NR/BR
|
60±5
|
-30 to +60
|
|
VT
|
DIN 22109/
4 vt
|
15
|
350
|
200
|
1.29
|
MBR/
NBR- PVC
|
60±5
|
-30 to +60
|
Safety performance
|
project
|
Flame retardant performance grade
|
|
K2 level
|
K3 level
|
|
fire duration
|
The total flame duration of the six coated samples shall not be greater than 45s, and any single value shall not be greater than 15s
|
The average value of the flame duration of the three covered tests shall not be greater than 60s
|
Static conductivity
Reflammability
|
no larger than 3x108
|
|
The flame shall not reappear on any test
|
