CUSTOMER

FAQ

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  • The bug marks in the summertime and during high-speed night driving must be removed with a special cleaner to prevent any damages to the coating surface.

    Firstclass Bug Cleaner includes proteinase to remove the bug marks cleanly, and there are is no stain or damage left on the coating surface.

    * Recommended Products: Firstclass Bug Cleaner

  • Compound is a product for effectively removing the scratches, flaws, paint spots, water marks and swirl marks on the coating surface that could not be removed with general washers. It can be also used as the pretreatment product before using the wax and coating product.

    Generally, small amount is applied to a smooth cotton to be slightly pressed on the scratched are, and rubbed in a vertical direction. the remaining products are then wiped gently in a circular movement with the clean side of the cotton for finishing.

  • Circular fine  scratch on the coating surface after the car was is called a swirl mark, and is occurred frequently after going through automatic car wash. If the swirl marks are left unattended, they can reduce the gloss or cause diffused reflection, so timely and appropriate management is required.

    By using Crystal Compound and Crystal Coat Plus, the swirl marks can be removed easily, and the product also provide gloss effect.   

    * Recommended Products: Crystal Compound and Crystal Coat Plus

  • The coating surface which coated well is the water drops and pollutants into a round form to be rolled off easily, so the pollutants are easily removed from the coating surface to have even and smooth surface. 

    Beading: Water drops forming in a round shape on the coating surface due to the surface tension

    Sheeting: The phenomenon of the water drops and water flowing down due to the water weight and slope of the coating surface.  

    Sleek: It refers to the term for the smoothness level of the coating surface after treatment 

    * Recommended Products: Crystal Coat Plus

  • Wax products use natural wax (Carnauba Wax) as the ingredient to have outstanding gloss, but does not last for long period of time.  

    Crystal Coat Plus uses glass-based polymer to have more outstanding coating and water repellent abilities compared to the wax for having gloss and protective effect on the coating surface. The coating layer is built up in layers from continuous use in a layering effect to improve the gloss.

    Professional ceramic coating cost is too much expensive, but it is now more affordable option is available through the convenient Crystal Coat Plus.


    ※ For effectiveness of Ceramic Coating

    1) Washing convenience

    2) Increasing Durability

    3) Increasing Chemical resistance

    4) Increasing GU(Gloss Unit)

  • Paraffin is mixed into diesel during the process of purifying the crude oil. 

    But in the winter season when the temperature drops rapidly, these ingredients result in waxing. 

    Accordingly, the fuel filter and injector could be blocked and causing start-up failure. 

    In this case, start-up by force can damage the engine, so the freezing inhibitor must be used regularly to manage the vehicle.

  • Moisture can penetrate into the fuel line when there is condensation from temperature difference between the external environment and the fuel tank, or when moisture is mixed into the fuel from inflow of snow and rain. 

    The inflow of moisture can cause engine failure, so it is important to use the dehydrator.

  • Antifreeze is classified into EG antifreeze and PG antifreeze, according to the ingredient and not by vehicle type. 

    Bulls Antifreeze is EG antifreeze, and when the existing antifreeze is EG antifreeze, Bulls Antifreeze can be supplemented into the existing antifreeze. 

    However, if you were using PG antifreeze, the current antifreeze must be removed completely before injecting the new Bulls Antifreeze. 

  • The most important factor in choosing the engine oil is viscosity! 

    The number on the engine oil case surface shows the viscosity of the engine oil. 

    The viscosity of the engine oil must be selected according to the driving habit of the driver, driving environment and season to improve the fuel efficiency and to increase the engine life of the vehicle. 

    Generally, 5W-30 and 5W-20 are mostly used, but it is recommended to use 0W-40 with low viscosity in the winter season.

  • The specification and amount of engine oil differs depending on the vehicle engine. 

    It is recommended to read and check the vehicle operator's manual on the required liter or bottle of engine oil for your vehicle.

    If you are an inexperienced driver, you must be aware of the accurate basic information on the car to become a smart driver who can manage the vehicle engine appropriately.

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