Guangzhou Jinwei Chemical Co., Ltd

Automotive Refinish Paint One Stop Supplier. Professional Team, Perfect Service!

Topcoat Auto Paint

Topcoat Auto Paint

2K topcoat High quality,multiple layers topcoat system with metal colour topcoat for high class cars and commercial vehicles. 1.The result will be perfect if the users use Roch® brand supporting thinners. 2.Light...

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Product Details

Roch RC-S series solvenbased topcoat systems are state of the art since the VOC law came into power in Europe and other parts of the world. In the OEM segment this technology is standard even longer.The experience of the past years and decades as well as the development of new raw materials are leading to a continuous improvement of Jinwei paint systems.

Ecology and Economy

After extensive development Jinwei Roch S series oil-topcoat is meeting not only the current legal requirements but due to a mature oilbased technique Roch is also avoiding all disadvantages of water basecoat and is offering an easy way of application.

Together with the most comfortable colour matching systems as well as easy-to-handle mixing- and dosing equipment the Topcoat system is a part of a complete range of professional paint material for all users.


Specific Gravity





Acrylic resin, CAB, pigment, solvents, addition agents


All kinds of colors. For detailed information please refer to Roch® Tinters in the catalog

Mix Ratio 

(by volume)

1K paint: 1 part

Thinner(RC-X110, RC-X111, RC-X112): 0.7~1 parts

Pot Life48 hours@20℃

Spray Gun & 

Air Pressure

2-3 single coating to coverage (volatilization time of each layer: 15-20 minutes)
Drying TimeClearcoat can be sprayed within 15 minutes to 5 hours

Before spray: P600-800 by dry sanding

After spray: P1000 by wet sanding

SubstrateOEM paint, Roch® brand primer surfacer



Thermal plasticity acrylic paint or alloy base coat


1L x 12 tins/ctn, 4L x 4 tins/ctn

Shelf Life

5 years

The smart solution

ROCH S Series is sufficient to shake the required tinter just shortly before dosing. As a consequence storage in common shelves at constant temperature is sufficient. The tin sizes have been selected according to the usage and therefore high storage costs and expired shelf lives will be avoided. Due to paint-in-paint mixing without any binders, activators or other additives custom made mixouts for smaller surfaces are possible. Easy application For mixing and finding formulations as well as for using the color documentation or spectrophotometer no changes in the way of working are necessary

Easy application

The application of ROCH is possible with standard spray booths and common spray guns. Left overs are usable for a long time, cost for waste, disposal is declining.

Key benefits

Colour- and product reliability 

By adding 10-20 % ROCH-Thinner as the only addition to the top tinters the viscosity is adjusted ready to spray. The addition within very narrow limits and without any other additives increases the safety in use of the product. The colour can be immediately judged during the application. Because of the high thixotropy of the top tinters the danger of colour differences caused by insufficient stirring is avoided completely. Therefore colour shades are achieved easily and safely with an immediate possibility to judge them on the object.

Highest efficiency + Covering power = Time savings

ROCH S series covers already with the first coat. Usually the second coat only serves the effect adjustment and the perfection of the colour.

In spite of the slower drying times of other oilbased systems in general therefore the total duration of coatings can be reduced. The material consumption is at minimum 25 % less compared with conventional systems.

Economic environmental protection

Because of the low emmissions of organic solvents of ROCH, which are significantly lower than the presently valid and even the possibly coming legal limits, the overal emmissions in a body shop are reduced by a large part. This effective environmental protection in any way is achieved without any additional costs. Because of a possible higher image at customers or governments but also because of lower costs for air cleaning and waste disposal this even can lead to higher profits

Excellent application

For the use of ROCH topcoat Color System II serves as a help for finding and comparing colours. The colours are sorted by colour groups and with narrow differences between each other. Excellent application After the research by colour code therefore possible variants or colour differences caused by any other reasons compared to the original colour can be found quickly and safely in the Roch Color System. The search by Color-System-Number leads to a colour corresponding to the relevant colour chip in the system.

Highest Quality 

ROCH Series top tinters further products are available for car refinishing with perfect quality but also within the legal emmission limits for effective environmental protection.



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Jinwei Refinish supplies high quality car paint colour mixing system ranging from LOW VOC, High solid Low viscosity Tinting System, conventional acrylic systems to accessory products such as primers, surfacers, base coat, top-coat, clear coat,  hardener, thinner, and ancillary materials etc., We are able to provide more competitive and cost effective color mixing system than comparable systems on the market.


2017 Automechanika Dubai








1.We value every inquiry sent to us and ensure a quick competitive offer. If you order to us, we can promise the quality.
2.We put your order into our tight production schedule to ensure you punctual delivery time and send shipping notice to you as soon as your order is shipped. We respect your feedback after you have received the goods. 

3.Because we have more than 10 years of experience in car refinish paint production, all our products conform to national standard! We can promise an excellent service and a prompt delivery! Your order is welcome at any time!


Q1. Do you charge for the samples?
A: According to our company policy, the samples are free, we only charge the freight. And we will return the freight if you set the order .

Q2. Can you produce the product according to customer's requirement?
A: Sure, we are professional manufacturer, OEM is welcome.

Q3. What about the quality?
A: We can provide you samples for quality inspection. If you order to us ,we must promise the quality , if some quality problem happened, we can have a negotiation of the compensation and sign agreements ,and our after-sales department will perform the duties as the agreements.

Q4. What is your terms of packing?
A: Generally, we pack our paint in good sealing tins and brown cartons.

Q5. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages 
before you pay the balance.

Q6. What is your terms of delivery?

Q7. How about your delivery time?
A: Generally, it will take 7 to 14 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

Q8. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. 

Q9: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, 
no matter where they come from.

If you want the topcoat auto paint, welcome to buy the quality products made in China with our factory. As one of the professional manufacturers in China, we will offer you quality products with low price. Consult the quotation with us now.
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