General Use on Ground Coal Mining Flame Retardant Fabric Rubber Conveyor Belt

• Type: EP200
• Material: Rubber
• Inside Material: Polyester
• Feature: Oil-Resistant, Acid And Alkali Resistant, Heat-Resistant, Wear-Resistant, Flame Retardant
• Tensile Strength: Strong
• Color: Black
• Model NO.: EP800/4, EP1000/4
• Thickness: 5mm-30mm
• Temperature: 120-230 Centigrade
• Standard: DIN, Rma, Jisk, SABS, as
• Belt Edge: Mould Edge
• Belt Surface: Plain
• Adhesion 1: Cover / Ply > 5.5n/mm
• Adhesion 2: Ply / Ply > 4.5n/mm
• Application: Metallurgy, Cement, Casting
• Top Cover: 3mm-12mm
• Transport Package: Iron Core/Plastic Bag
• Specification: EP800/4 DIN K20
• Trademark: GPBELT
• Origin: Ningbo, China
• HS Code: 4010120000
• Production Capacity: 10000meters/Day

Product Description

FLAME RETARDANT CONVEYOR BELT 

Feature

Flame retardant conveyor belt adapts excellent flame retardant materials into top and bottom rubber cover, which is mainly used for coal mining, and also for chemical, metallurgical industries, etc.  According to its inner structure, here are general used fabric laminated flame retardant conveyor belt, PVC & PVG whole core conveyor belt, and fire resistant steel cord conveyor belt. 

.  General used flame retardant rubber conveyor belt is applied to convey materials that require a flame retardant and static conductive belts in chemcial, electricity, metallurgy, light industry, grain precession and on-ground coal mining. 


Fabric Material 
 

Fabric type	Fabric structure		Fabric Specs	Ply thick (mm/p)	Strength Series (N/mm)					Cover thickness  (mm)		Width (mm)	Length (mm)
	Warp	Weft			2ply	3ply	4ply	5ply	6ply	Upper	Lower
EP (Poly Ester)	E (Polyester)	P (Ny lon)	EP80	0.60	160	240	320	400	480	2.0-8	0-4.5	400- 2200	≤250
			EP100	0.75	200	300	400	500	600
			EP150	1.00	300	450	600	750	900			500- 2200
			EP200	1.10	400	600	800	1000	1200
			EP250	1.25	500	750	1000	1250	1500
			EP300	1.35	600	900	1200	1500	1800
			EP350	1.45		1050	1400	1750	2100			800-2200
			EP400	1.55			1600	2000	2400			1000-2200
			EP500	1.70			2000	2500	3000

 

Fabric type	Fabric structure		Fabric Specs	Ply thick (mm/p)	Strength Series (N/mm)					Cover thickness  (mm)		Width (mm)	Length (mm)
	Warp	Weft			2ply	3ply	4ply	5ply	6ply	Upper	Lower
(NN) Nylon	(N) Nylon	(N) Nylon	NN80	0.60	160	240	320	400	480	2.0-8	0-4.5	400- 2200	≤250
			NN100	0.75	200	300	400	500	600
			NN150	0.80	300	450	600	750	900			500- 2200
			NN200	0.90	400	600	800	1000	1200
			NN250	1.15	500	750	1000	1250	1500
			NN300	1.25	600	900	1200	1500	1800
			NN400	1.45			1600	2000	2400			800-2200
			NN500	1.55			2000	2500	3000

Cover Performance
 

Rubber Cover	Tension Strength Mpa  ≥	Elongation % ≥	Abrasive mm^3, ≤
D	18	450	200
L	14	400	250
Remark: D--- high abrasion;    L---- common working conditions Under 70ºC, 168h, tension strength and elongation changing rate against before testing ≤25%

Safety Performance
 

Combustion Retardant J	K Flame Retardant and Static Conductive
The average flame time of three whole thickness samples in longitudinal direction is not more than 60s, and none reburning phenomenon happesn at each test	Flame retardant requimrent is same as Standard J, Static conductive ≤ 3*10^8

. PVC & PVG whole core conveyor belt adapts PVC or plastic-rubber mixture, which has a good performance on flexibility, light body, easy connection, cheap production cost. It works both for on the ground and underground, but mainly for not so heavy workng tension, not so long transporation distance. 

. Flame retardand steel cord conveyor belt adapts higher tension strength, less elongation galvanized steel cord, suitable for the area of fire prevention, explosion-proof, high strict fire alarm. It is used to convey materials at the occasion of long distance, high span large loading and high strength, in flame retardant antistatic enviroments, mainly for coal ming underground conditions. 

According to its flame resistant performance of rubber cover in GB/T10822-2003 standard, here are K2 and K3. Normally K2 is of better performance on flame retardance, working for bad conditions. MT668 standard is only used for flame retardant steel cord conveyor belt underground.  In standard DIN, mainly for K15 and K20. K20 quality has 20Mpa tension and under 60s burning time. K15 is of 15Mpa tension strength and better burning time under 15s. 
 
Specification
 

Type	ST630	ST800	ST1000	ST1250	ST1600	ST2000	ST2500	ST3150	ST4000
Cord dia.mm	3.0	3.5	4.0	4.5	5.0	6.0	7.5	8.1	9.1
Belt Width	Steel Cord Number
800mm	75	75	63	63	63	63	50	50
1000mm	95	95	79	79	79	79	64	64	56
1200mm	113	113	94	94	94	94	76	76	68
1400mm	133	133	111	111	111	111	89	89	79
1600mm	151	151	126	126	126	126	101	101	91
1800mm		171	143	143	143	143	114	114	103
2000mm			159	159	159	159	128	128	114

Rubber Cover Performance
 

Item Details		Specification
Tensile Strength	Mpa≥	15
Elongation at break	%≥	350
Abrasion	mm^3≤	200
Hardness	SHA^O	±70

Adhsion Strength of Steel Cord
 

Strength Spec of Belt	Adhesion N/cm	Strength Spec of Belt	Adsesion N/cm
	Before Heat Aging		Before Heat Aging
ST630	539.4	ST2000	833.6
ST800	598.2	ST2500	980.7
ST1000	637.4	ST3150	1078.7
ST1250	686.5	ST4000	1176.8
ST1600	735.5
Note: Average adhesion strength isn't less than 85% of value stated above after aging test

Safety Character

a. Drum friction test

During drum friction test, any part of tested sample shall nore show any sign of flame or glow. The surface temperature of drum shall be less than 325ºC

b. Combustion test with ethanol blowrorch

Average burning time with/without flame for six test samples with full covering shall be not more than 3s after ethanol burner moving away. Each individual sample's burning time with/without flame shall be not more than 10s in the same conditions. Average burning time with/without flame for six test samples with full covering shall be not more than 5s after ethanol burner moving away. Each individual samples' burning time with/without flame shall be not more than 15s in the same conditions.

c. Laneway propane burning test

Length that is completely undamaged by flame shall be more than 250mm

d. Surface electrical resistance

Average electrical resistance of both surfaces shall be not more than 3*10⁸Ω.

 

Production Procedure

1. Raw Material

 

2. Calendering and Shaping
 

3. Vulcanization

4. Quality Control
 

5. Packing and Delivery



FAQ

Q1.  Can I have a sample order?
        Yes, any sample order is welcome to know the quality of our products.

Q2.  What about the lead time of the sample or the final order?
        2-5 days for normal sample.
        20-30 days for a formal order.

Q3. How much is the widest conveyor belt you can produce. 
       2.5meters is the widest belt we can produce now.

Q4. Is it possible to print our logo or brand on the belt?
       Yes, we can print your logo or design on the belt after receipt of your formal authorization        letter of the logo or your brand.

Q5. Do you offer the guarantee for your product?
       Yes, usually we offer one year warranty for all of our products.