Ningbo HuiYuan Rubber Product Co.,Ltd
It's not about how many years of experience you have. It's about the quality of your years of experience.
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1.Our conveyor belt factory
2.Our production line
3.Our testing room
4.Our produced conveyor belt
5.Our belt application
Safety performance:
The conveyor belt already through the flame retardant test experiment, and obtained certificate coal Ann mark and approved by users.
Flame retardant performance:
(1)Roller friction: roller surface temperature is not more than 325 degrees.
(2)A blowtorch burn: cotton degrees than 3.0S flame average blowtorch to layer, the average is not more than 5.0S.
(3)Propane burn: nondestructive length is more than 250mm.
Technical data
| ltem | flame retardant grades | |
| 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 15 S | Average value of duration of flame of 3 test pieces with covers does not exceed 60S |
| anti-static property | <= 3 × 108Ω | |
| reapperance | There should be no reapperance of flame on any test piect | |