PVC Fire Resistant Conveyor Belt

Solid woven fire resistant conveyor belt (PVC type)

The belt is mainly used in underground coal transportation, also in metallurgy and chemical industry. It is manufactured by plasticizing or vulcanizing solid woven core, which is impregnated in PVC paste.

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Type	Tensile strength/ N/mm, ≥		Breaking elongation/ %, ≥		Top/bottom cover/mm, ≥
Type	Longitudinal	Transversal	Longitudinal	Transversal	Top/bottom cover/mm, ≥
680S	680	265	15	18	1.0
800S	800	280
1000S	1000	300
1250S	1250	350
1400S	1400	350
1600S	1600	400
1800S	1800	400
2000S	2000	400
2240S	2240	450
2500S	2500	450

Item	Safety properties
Anti-static test	Surface resistance≤3×10⁸Ω
Drum friction test	no flame reappear, ≤ 325℃
Alcohol burner test	Average value of flame duration of 6 samples with covers, not more than 3s, any single value not more than 10s.	Average value of flame duration of 18 samples without covers, not more than 5s, any single value not more than 15s.
Tunnel propane burning test	a. Undamaged sample length ≥600mm, or b. Undamaged sample length ≥50mm, ≤140℃ rising, damaged length≤1250mm

Item	Between cover and core	Inside core
Average value of adhesion strength/ N/mm, ≥	4	-
Min. value of adhesion strength/ N/mm, ≥	3.25	6.5