In-30 ℃ and above-50 ℃, electric bike wheel kit and steel rings (wheels) squared without falling off. Both inflatable and non-inflatable tyres must undergo such tests.
Any substance has the effect of heat expansion and contraction, if the tire does not control the shrinkage of the material in the manufacturing process, or a large amount of waste tires in the manufacturing process. The tyre will fall off in the above temperature environment and cause the tire to be unqualified.
Similarly, the electric car consumer also has in the use electric vehicle process, has not passed the shelf life, under the use environment general condition, appears to burst the tire the question, this is related to the tire not meeting the above three targets.
Therefore, dealers in the procurement process must understand the above-mentioned tire three indicators.