Fire Resistant Steel Cord Conveyor Belt

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Introduction of Fire Resistant Steel Cord Conveyor Belt
This range of steel cord conveyor belt is a kind of fire resistant conveyor belt which employs galvanized steel wire rope with high strength and low elongation as the carcass. Both upper and lower rubber layers are flame-retardant and anti-static, making the product an ideal choice for heat resistant belt.

With the same structure as general purpose steel wire conveyor belt, our steel cord conveyor belt has higher strength, and can smoothly convey heavy loads. Besides that, the steel wire reinforced rubber conveyor belt is resistant to abrasion, corrosion, impact, and so on.

After the aging test, average bond strength of steel wire rope is no less than 85% of that before aging test. The average bond strength between covering layer and bonding layer is ≥10KN/m. As for flame retardant steel cord belt with fabric layer, the average adhesive strength between covering layer and fabric layer is ≥8KN/m.

Application
Our fire resistant steel cord conveyor belt is suited for the long-distance, speed conveying of a large amount of materials in the areas where fire prevention and explosion proofing are required.

Specifications of Fire Resistant Steel Cord Conveyor Belt
Tensile Strength: 630N/mm ~ 4000N/mm
Width: 800mm ~ 2000mm

Specifications

Model	ST630	ST800	ST1000	ST1250	ST1600	ST2000	ST2500	ST3150	ST3500	ST4000	ST4500	ST5000	ST5400
Longitudinal Tensile Strength (N/mm)	630	800	1000	1250	1600	2000	2500	3150	3500	4000	4500	5000	5400
Max. Nominal Diameter of Steel Wire Rope (mm)	3.0	3.5	4.0	4.5	5.0	6.0	7.2	8.1	8.6	8.9	9.7	10.9	11.3
Space Between Steel Wire Ropes (mm)	10 ±1.5	10 ±1.5	12 ±1.5	12 ±1.5	12 ±1.5	12 ±1.5	15 ±1.5	15 ±1.5	15 ±1.5	15 ±1.5	16 ±1.5	17 ±1.5	17 ±1.5
Thickness of Upper Covering Layer (mm)	5	5	6	6	6	8	8	8	8	8	8	8.5	9
Thickness of Lower Covering Layer (mm)	5	5	6	6	6	6	6	6	8	8	8	8.5	9
Width (mm)	No. of Steel Wire Rope
Width (mm)	ST 630	ST 800	ST1000	ST1250	ST1600	ST2000	ST2500	ST3150	ST3500	ST4000	ST 4500	ST5000	ST5400
800	75	75	63	63	63	63	50	50	50
1000	95	95	79	79	79	79	64	64	64	64	59	55	55
1200	113	113	94	94	94	94	76	76	77	77	71	66	66
1400	133	133	111	111	111	111	89	89	90	90	84	78	78
1600	151	151	126	126	126	126	101	101	104	104	96	90	90
1800		171	143	143	143	143	114	114	117	117	109	102	102
2000			159	159	159	159	128	128	130	130	121	113	113

Rubber Performance

Item		Performance Index
Item		Type1	Type2
Tensile Strength	Mpa≥	12.0	10.0
Elongation at Break	%≥	300

Bonding Strength of Steel Wire Rope

Strength of Belt	Bonding Strength of Steel Wire Rope
Strength of Belt	Before Thermal Heating	After Thermal Heating
ST630	60	55
ST800	70	65
ST1000	80	75
ST1250	95	90
ST1600	105	95
ST2000	105	95
ST2500	130	120
ST2150	140	130
ST3500	145	140
ST4000	150	145
ST4500	165	160
ST5000	175	170
ST5400	180	175

Safety Performance of Fire Resistant Steel Cord Conveyor Belt

Item			Type1	Type2
Static Electricity Conductivity	Average surface resistance, Ω, ≤		3×10 　 8
Roller Friction	Roller Surface Temperature, ℃, ≤		325
	Test sample doesn't have any direct firing or flameless combustion.
Alcohol Torch Burning	Directing Firing	Average Self-extinguishing Time of 4 Samples, s, ≤	30	3
		Automatic Quench Time of Each Sample, s, ≤	45	10
	Flameless Combustion	Average Self-extinguishing Time of 4 Samples, s, ≤	120	-
		Automatic Quench Time of Each Sample, s, ≤	180	-
Propane Burner Combustion	The whole width is not burned, Length: ≥ 250mm

As a reputed manufacturer and supplier of rubber conveyer belts, we have the technology know how to offer the best quality conveyor belting. If you have any related demand, please feel free to contact us.

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