Recently, at the China Bus Blue Book Summit Forum, we learned that in order to strengthen the technical management and rating of new energy buses, the new energy vehicle part has been added to the "Classification and Rating of Operating Bus Types" rule, and will be revised by the Ministry of Communications. Ways to release to the community.

The added content is divided into several aspects: First, the fire extinguishing requirements for the battery box are increased. In fact, this requirement was also raised in the implementation of the new energy bus promotion implementation launched in March 2015. This standard has added a power battery box automatic fire extinguishing device. It is understood that this product has been mass-produced, and has passed the test of the Tianjin Fire Research Institute of the Ministry of Public Security, with an exact test report. In the future, if a new energy bus will not be rated without an automatic fire extinguishing device, this is a safety requirement.

Secondly, new energy floor coverings should use flame-retardant floor coverings. This is also a security requirement.

In addition, there are also requirements for electric drive mileage. It is understood that the hybrid electric passenger car adopts the 40Km/h constant speed method to test the driving range of pure electric working condition should be no less than 50Km; the pure electric passenger car adopts the 40Km/h constant speed method to test the pure electric driving range of not less than 200Km (super Capacitors, lithium titanate fast charging pure electric bus except). The ratio of the total quality of the pure electric bus and the hybrid bus power battery system to the vehicle's curb weight is not more than 20%. These data can be found in the reduction of purchase tax regulations. According to such requirements, an assessment of the relevant energy vehicles for the new energy part of the car is evaluated.

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The main function of printing thickener is to provide good rheological properties. It transfers the sizes or colour sizes on printing screen and roller to the fabric to combine dyes with fibers to ensure the clear outline of printing patterns. The pattern is clear, the color is bright and even. When the dye is fixed, the reaction products and residues can be easily removed in the downstream process, which makes the fabric feel soft. It can be seen that Printing Thickeners play an important role in the printing industry.

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