| Type: | PVC / Pvg |
|---|---|
| Material: | PVC |
| Inside Material: | Fabric |
| Feature: | Oil-Resistant, Acid And Alkali Resistant, Tear-Resistant, Heat-Resistant, Cold-Resistant, Wear-Resistant, Flame Retardant |
| Tensile Strength: | Strong |
| Transport Package: | PE Package |
| Samples: |
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| Customization: |
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PVC BELT: Used for conveying material up to 16ºC inclination under dry conditions.
PVG BELT:With rubber cover,suitable for conveying water material up to 20ºC inclination.
Market:
Coal mines,power stations,chemical and metallurgy industries.
Tensile Strength:500-4000N/mm
Width:500-2000mm
Characteristics:
No joint in belt carcass , long life span ,with flat surface and even tension, runs smoothly with low elongation
Plies: 2 to 12
Belt width: 300 to 1,600mm
Cover rubber thickness:
Top: 1.5 to 12mm
Bottom: 1.5 to 10mm
Tensile strength: 10 to 25MPa
construction features and applications:
1. The belt has good flame resistant and anti-static properties. it can fully satisfy the requirements of MT-914 and is especially suitable for material conveying at inflammable conditions of underground coal mines.
2. The solid woven fabric uses high tensile strength and low elongation polyester long filament as warp fibre, for weft fibre, it uses high tensile and medium modulus nylon filament. The fabric is high in strength, low in elongation, light in carcass, free of separation of plies, shock resistant, anti-tear and good in troughability.
3. PVG type is covered with covers mainly composed of rubber, which further improves the troughability, resistance to wetness and slip, resistance to low temperature, elongation and wear resistance of the belt. Thus it can not only enhance the slope angle of conveying but also elongate life of belt.
1.Model: N/mm(Tensile Strength)
Type |
Full Thickness Belt Tensile Strength N/mm | Full Belt Elongation At Break%(not less than) | Belt wide mm | Length Per Roll M | ||
| Longitudinal | Transverse | Longitudinal | Transverse | 650----1400 | 200 | |
| 580S | 580 | 245 | 15 | 18 | ||
| 680S | 680 | 265 | ||||
| 800S | 800 | 280 | ||||
| 1000S | 1000 | 300 | ||||
| 1250S | 1250 | 350 | ||||
| 1400S | 1400 | 350 | ||||
| 1600S | 1600 | 350 | ||||
| 1800S | 1800 | 380 | ||||
| 2000S | 2000 | 380 | ||||
| 2240S | 2240 | 400 | ||||
| 2500S | 2500 | 400 | ||||
2. Flame Retardancy
(1) Grinding number of drum: the surface temperature of the drum shall not be greater than 325 ºC
(2) Blowtorch combustion: the average time for full-thickness specimen to blowtorch without flame shall not be greater than 3.0s, and the average time for covering layer removal shall not be greater than 5.0S
(3) Propane combustion: Nondestructive length greater than 2250mm
| Table of Structure and Performance | |||
| Structure and Performance | Domestic Conven Solid Woven Belts | International Conventional Solid Woven Belts | SWR Solid Woven Fire Resistance Belts |
| Carcass | NN/EE+CC | NN/EE+CC | NN/EE/EP/KF |
| Cover | PVC/PVG+RUBBER | PVC/PVG+RUBBER | High Polymer+RUBBER |
| Abrasion(mm3) | 200 | 200 | 150 |
| Tensile Strength(Mpa) | 15 | 15 | 20 |
| Elongation(%) | 350 | 350 | 400 |
| Cover Thickness(mm) | 5+3 | 4+2 | 12 |
| Troughability | Fair | Good | Excellent |
| Pulley Diameter | Big | Medium | Small |
| Production Process | Carcass PVC Plasticizer | Carcass PVC Plasticizer | High Ploymer&Namo-Bonding System |
| Life | 1 year | 1.5 years | 5 years |
| Safety performance | |
| Surface resistance average | ≤3×10^8Ω ≤3×10^8Ω |
| Drum friction property | The temperature is no more than 325ºC and shall not appear as flame or no fire burning. |
| Alcohol blast burner burning test | With cover: Average≤ 3S, individual ≤ 10S Without cover: Average≤ 5S, individual ≤ 15S |
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