Trust almost everyone has gone to a car wash station, so you should have seen the auto car wash brush, and experienced the service provided by a automatic tunnel car wash system.
You might not know what the brush material is. But currently EVA foam is largely used as auto car wash brush for the washing equipment. Check it out next time when you will be there.
Here in this post, we are going to introduce you how EVA foam brush works in automobile washing systems.
Links between EVA foam and Car Wash Systems
When you get a close check of car wash equipment and systems, you could find out hundreds of EVA foam brushes neatly assembled on a rotatable metal shaft as a powerful washing parts.
At first, you may not know what is EVA foam? Not to worry, here is a quick link to get full information of this versatile material – EVA foam.
Briefly EVA foam is closed cell foam varying in a wide range of densities and hardness. Importantly, you should note that, different density and hardness can make a EVA foam with a quite difference performance and property. So choosing a EVA foam with proper performance for car wash equipment seems to be very important.
Brush is a very important part of automatic car wash equipment system. It is apparently simple to know that brush is the essential part used to clean up car or other vehicles. As auto wash brush, EVA foam is needed to be wear-resisting and highly durable which are rotated vertically or horizontally to thoroughly wash car or other vehicles. Also for a auto car washing machine, the attached foam brush is a frequently used accessory for every day operation.
Currently car wash equipment company mainly use EVA foam brushes, traditional plastic bristle brushes, cloth textile material brushes. Among them, due to the advantages on both performance and costing, EVA foam has been more and more frequently used for auto car wash brushes.
Get to know why EVA foam can be idea fit for car wash system
Based on EVA foam properties, we will illustrate why EVA foam brush is a good choice for car washing systems.
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Water Resistant
As mentioned, EVA foam material is a closed cell plastic material with low water absorption. They are naturally waterproof material because of their closed foam structure. On the contrary, open cell foam is week facing with water, moisture or other liquid. For more, you could find out difference between closed cell foam and open cell foam from this link.
Working as auto car wash brush, waterproof EVA foam can largely save water used for cleaning. Their cleaning performance is not affected by water flow when operation. Besides, EVA foam car wash brushes also do not hold dirt when working on vehicles.
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Chemical Resistant
Due to closed foam structure, EVA foam has excellent performance on solvent resistance. You can easily know that when your car is served at a car washing station. Relevant detergents would should be used to facilitate this process. EVA foam are good at working with washing chemicals. They will be be affected by all sorts of detergents and keep excellent washing power.
But when using textile wash brush, you will clearly find out that they will inevitably absorb and keep water on itself. So sometimes textile cloth brush could not clean up thoroughly and leave some dirty spot on cars.
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Abrasion Resistant
Car wash brush is an import auto car washing system accessory, which is used every day for car washing. In actual operation, foam brushes will be rotating along with washing machine to remove dirt on vehicles. This process is a constant process which can abrade brushes every time with strong impact force. So foam brushes have to be highly resistant to that daily abrasion.
When working, foam brushes would go through almost every aspect of car body, windshield other wheels etc. But the underlying fact is regular EVA foam can not withstand such suffering process in the long time. Only specialized EVA foam brush can make this, and perform well also in long term run.
Specialized EVA foam can be with excellent tensile strength and elongation performance. Those properties are needed to a nice car washing brushes.
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Soft and Cushioning
With flexible and adjustable hardness, EVA foam can be formulated to be soft and resilient. It is a quite versatile foam material with good impact absorption ability.
Car washing is needed to be very careful as any harsh operation might cause problem for customers’s car. As a car wash brush, it can not be made by hard or rigid material. Soft EVA foam brush can deliver a reliable, safe and gentle service for vehicles. They are resilient and cushioning, which can provide a consistent shockproof performance.
Additionally, when working on the tunnel car wash systems, auto car wash brushes will be stretched by rotating shaft at a constant and high speed. Soft and resilient EVA foam is ideally able to sustain this process.
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Various Colors, Sizes, and Shapes
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