Qualities and uses:
Fier-resistant metal cord conveyor belt has the merits of conveying materrials at the situation of large toughness
,lengthy distance,and big load as frequent metal cord conveyor belt.However,it also has the houses of filre-
resistant and anti-static,and it is suitable for fire resistant and anti-explosion purposes, specially appropriate
for conveying supplies beneath coalmine wells.
Cover residence and grade:
Tensile strdngth:>=15mpa
Elongation at split:>=350%
Ageing tset(70ocx168h)
Alter price of tensile power:-twenty five~+twenty five%
Change price of elongation at crack:-twenty five~+twenty five%
Abrasion <=200mm3
Protection house:
| Ltems | Indexes | ||
| Anti-sttatic house | Regular electrical resistance of each surfaces | <=3×108ω | |
| Drum friction | Area temperature of drum. | <=325oc | |
| Any test pice shall not demonstrate any signal of flame or glow | |||
| Buming on spirit bumer (flame or glow) |
Burning with include rubber | Regular length of lame for six check pieses | <=3 s |
| Period of flame for any personal tset piece | <=10 s | ||
| Burning CZPT protect rebber | Regular length of flame for six examination piece | <=5 s | |
| Duration of flame for any individual tset piece | <=15 s | ||
| Buming on propane bumer | Ength that is compleetleey undamaged by flame .Mm | >=250 mm | |
Other technological indexes will comply with specification mt668-1997
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