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Underground mining fire retardant conveyor belt is mainly applicable for the underground coal mines transport, and also the conveyance of materials for metallurgical and chemical industries. It can be divided into two types: PVC, PVG according to different structure.   Performance Underground mining fire retardant conveyor belt  is made from the whole belt core via dipping and plastifying in polyvinyl chloride (PVC) dipping agent or sulfuration. It features largely in the high strength, large freight volume and stable conveyance performance. Besides, it is fire retardant, anti-static, shock resistant, wearable and corrosion resistant.   Structure PVC type: Top and bottom cover are PVC coating, single-sided tape thickness: ≥1.0mm, inclined angle: <16°   PVG type: Top and bottom are nitrile rubber with PVC, single-sided tape thickness: 1.5mm-4.5mm. inclined angle: <20°  

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
1000S	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

 

Safe function

Function Name	The alcohol combustion	The propane combustion	Electrical conductivity	The roller rub
Standard value	Average value≤3S,List value≤10S(Have no cover gum)	a)≥600	≤3X108Ω	≤325°C
	Average value≤5S,List value≤15S(Have no cover gum)	b)≥50mm;≤140°C≤1250mm		Have no Mars

  Products Testing, R&D center Packaging Honor   China factory price High reliability Pvc conveyor belt For more details,please inquiry us!   Polyester conveyor belt, (EP)
Nylon conveyor belt, (NN)
Cotton conveyor belt, (CC) Sidewall conveyor belt (SW)
Chevron conveyor belt, (C5 C10 and C15)
Oil Resistance conveyor belt, (OR and MOR)
Hot Resistance conveyor belt, (HR)
Fire Resistance conveyor belt, (FR/PVC/PVG)
Heat Resistance conveyor belt, (OHR/ OFR)
Cold Resistance conveyor belts, (CR)
Endless belts Conveyor roller, idler Conveyor Pulley, frame,bracket  etc