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PVC PVG fire-retardant conveyor belt
- 产品描述
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Introduction
The whole core fire-retardant conveyor belt is made from the whole belt core via dipping and plastify in polyvinyl chloride (PVC) dipping agent or sulfuration. It is mainly applicable for the underground well haulage of coal mines, and also the conveyance of materials for metallurgical and chemical industries, The whole core fire-retardant conveyer belt is divided into two types: PVC, PVG.
It features largely in the high strength, no delamination with body, small elongation, large freight volume and stable conveyance performance. Besides, it is fire retardant, anti-static, shock resistant, wearable and corrosion resistant.PVC type conveyor belt's upper and lower layers are PVC coating cover ,and inclined angle: ＜16°with dry materials.PVG type conveyor belt's upper and lower layers are nitrile rubber and PVC, and inclined angle: ＜20°with damp materials.
Tensile strength (N/mm)
Grade
Fourth
Fifth
Sixth
Seventh
Eighth
Ninth
Tenth
Types
680s
800s
1000s
1250s
1400s
1600s
1800s
Flame resistant property
(1)Roller friction：The roller surface temperature is not more than 325℃
(2)Blowtorch burning(with cover) ：
the average duration of flame for six samples≤3s;
the duration of flame for any individual sample ≤10s. (without cover):
the average duration of flame for six samples≤5s;
the duration of flame for any individual sample ≤15s.
Propane burner
the length completely undamaged ≥ 250mm
Surface electricity resistance value
The average electrical resistance of both surfaces ≤3.0×108Ω
Safely performance
It has been passed the flame retardant test and static test and got the safety Certificate of approval for mining products.
Mechanical properties
It can provide users with long service life and economic installation .
The longest service life factors:entire core was made by warp weft filament and cover cotton woven ; dip on the special formula of pvc to make the between of core and rubber cover to reach the high adhesive strength ; special formula rubber cover .
Type and technical parameter of PVC conveyer belt
Standard MT914-2008
Safety factor 10(Breaking
strength*1/10)The Slope <16°C
Standard type
Degree
Breaking strength≥,N/mm
Tensile yield≥,%
Advising Mindiameter of Transmission Drum
Longitudinal
Transverse
Longitudinal
Transverse
680S
4th
680
265
15
18
320
800S
5th
800
280
400
6th
1000
300
500
1250S
7th
1250
350
500
1400S
8th
1400
350
630
1600S
8th
1600
400
750
Type and technical parameter of PVG conveyer belt
Standard MT914-2008 BS3289 HG2805
Safety factor 10(Breaking strength*1/10)
Standard type
Degree
The slope <20°C
Recommend minimum roller diameter
Breaking strength≥,N/mm
Tensile yield≥,%
Longitudinal
Transverse
Longitudinal
Transverse
680S
4th
680
265
15
18
400
800S
5th
800
280
500
1000S
6th
1000
300
630
1250S
7th
1250
350
750
1400S
8th
1400
350
750
1600s
9th
1600
400
750
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