
Electrophoretic coating for automobile body industry
Product Introduction
HLS-5701LB/HLS-5750 Gray Cationic Epoxy Electrocoat for auto is the 7th generation electrophoretic coating researched and developed by HLS Paint (Shanghai) Co., Ltd. in cooperation with Germany HS International Chemical Industry Group. |
It represents modern technology of cathodic electrophoretic coating that is environment-friendly with high property and low cost. Such coating does not contain heavy metal like lead, tin, cadmium and mercury etc. It is a two-component, water-dispersed resin,meanwhile, it took in features of previous products, and can adapt galvanized steel sheet perfectly, almost can be applied to foundation coating of all metal, such as: cold and hot rolled steel sheet, galvanized steel sheet, aluminum products, zinc-aluminum alloy sheet and stainless steel sheet etc. |
This product features shown below:
High throwing power, internal and external uniformity. |
Good stability of bath can adaptable for a longer updating cycle |
High throwing power, internal and external uniformity. |
Suitable for automotive, cab, car, bus, truck, trailer and so on. |
Main ingredients
Pigment | carbon black, kaolin, antirust pigment |
Solvent | alcohol ether |
Additives | surface active agent, prevent shrinkage cavity agent |
The main supplier
Material name | Supplier |
Bisphenol A epoxy resins | Formosa Plastic Group / Kukdo / Dow Chemical |
Polyisocyanates | Bayer |
Amine hardendner | INTERSCAN / Huntsman Corporation |
Bath on site management project
Good bath data and coating quality, from the strict parameters management and maintenance of equipment, production line according to its own reality time situation, can have different management project and specifications, recommend the construction parameters see the table below for reference:
Classification | Project | Control Data | Testing frequency | |
New bath | Anolyte | |||
Electrophoresis tank | Ratio | 1:4 | -- | |
Ripening time | 24-48 | -- | ||
Solid ( 120 ℃ /1h ,% ) | 18±2 | -- | once a day | |
PH | 5.8-6.2 | 2.0-3.5 | once a day | |
Conductivity ( μs/cm ) | 1200±400 | 2000±1000 | once a day | |
P/B | 0.25-0.39 | once a week | ||
Throwing power (Four-box method), ≥ | 50% | once a year | ||
Solvent content (%) | 0.8-1.5 | once a week | ||
Liquid level Fall head (cm ) | 10-15 | once a day | ||
ED voltage( V ) | 0-300 | once a day | ||
Break voltage ( V ) | ≥350 | once a week | ||
Bath temperature ( ℃ ) | 30±2 | once a day | ||
ED time( S ) | 60~180 | once a day | ||
UF - 1 Tank | Solid content (%) | ≤2.0 | once a day | |
UF - 2 Tank | Solid content (%) | ≤0.8 | once a day | |
Baking furnace | Provisions furnace temperature( ℃ ) | 180-200 | once a day | |
Curing conditions | Drying temperature | (170-180) ×( ℃ 15-20)min (With content holding time) | once a day |
Storage, packaging and transportation :
This product is a water-borne industrial coatings, non-hazardous, non-inflammable and explosive products; transportation to prevent direct sunlight, avoid freezing (>5℃ ); Packaging for 50/60/200L Plastic barrel; in the transport and storage of drums should be maintained clean, avoid charging the dirt brought in on drums during filling tank, again checked and confirmed that the quality of products, including paste resin, emulsions and additives should be indoor storage, good ventilation, dry, protect against freezing and overheating, the storage temperature should be controlled at 5~35℃, products from the date of production, over shelf, experimentation is required to determine whether can continue to use.
HLS Coatings (Shanghai)Co.Ltd
Since its foundation in November 2003, HAOLISEN has been adhering
to the vision of “Advocator and Innovator of Waterborne Coating
Solutions” and committed to the development and production of
industrial electrophoretic coatings by investing lots of human,
material, energy and financial resources over more than a decade.
By 2009, HAOLISEN has become theinfluential and famous brand
manufacturer of electrophoretic coatings in China. With its
constant pursuit of innovation, HAOLISEN persists in scientific
research and innovation in order to better create values for the
society and provide customers with higher quality products and
service as well as efficient coating solutions. HAOLISEN is
committed to maintain the absolute leadership of its core
technology in the industry, which endows us with honourable social
responsibilities.
HLS's development:
2003 HLS Coating (Shanghai) Co., Ltd. was established.
2005 Its sales volume exceeded 100 million RMB.
2008 It transformed the white goods industry, and was rated as “Excellent Supplier” by Haier, Midea, etc.It created the E+P coating process system for oil heaters in domestic household appliance industry.
2009 It created the E+P coating process system for radiators in domestic household industry.
2010 Its white and colored high-end electrophoretic coatings account for a market share of 90% in China.
2012 It established HLS Chemical Technology (Jiangsu) Co., Ltd. in Nantong of Jiangsu Province.
2013 Its upgraded high-performance electrophoretic coating products have been highly recognized by the automobile manufacturing industry, and obtained the technical accreditation certificates for basic
automobile materials of China FAW Group, Chang'anAutomobile Group, Dongfeng Automobile, Volvo
and other auto makers.
2014 It has registered in EU and Japan and established its overseas business division, and is now going global.
2015 Through cooperating with Fudan University, it has established “Joint Research Center of New
Waterborne Surface Treatment Materials”It has been recognized by Sany Group for waterborne
industrial coating materials.
2016 China's first book of industry technology compiled by a company - Modern E-Coating Encyclopedia
2017 SAIC Volkswagen's certification for electrophoretic coating and its supply thereto; Foton's certification for water-based automotive topcoat and its supply thereto; hosted "Gather to Paint Common Prosperity- Surface Finishing Total Solutions Forum".
2018 HLS Chemical Technology (Jiangsu) Co., Ltd. went into operation.
2020 It is certified by SAIC-GM and can be supplied to SAIC-GM system