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Flame Resistant Conveyor Belt

Flame Resistant Conveyor Belt is made of cotton canvas, nylon canvas or EP canvas and finished through the process of calendring, assembling, vulcanizing etc, suitable for conveying materials that require a flame resistant and static conductive belts in power, chemical, light, metallurgical and grain processing industries, under the condition of flammable or explosive environment above coal mines.

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Description

Flame resistant conveyor belt production standard as below:

Cover Type Standards Minimum Tensile Strength (MPA) Minimum Elongation (%) Abrasion Material Coveyed
Fire Resistant SANS-F 17 350 180 Material with fire hazards, e.g. Coal
IS-1891(FR Grade) 17 350 200
ISO-340(FR Grade) 17 350 180
AS-F(FR Grade) 14 300 200
AS-1332(FR Grade) 14 300 200
DIN S Grade 17 350 180
DIN K Grade 20 400 200
MSHA-FR 17 350 200
CAN/CSA (FR Grade) 17 350 200

Cover rubber property：

Item Tensile Strength / MPA Elongation at break / % Abrasion / mm3
≥18 ≥450 ≤200
≥14 ≥400 ≤250

Safety property:

Item Flame retardant grade
K2 K3
Duration The total duration of flame of 6 test pieces with covers is less than 45s, any individual test piece does not exceed 15s Average value of duration of flame of 3 test pieces with covers does not exceed 60s
Anti-static property ≤ 3 X 108 Ω
Reappearance There should be no reappearance of flame on any test pieces