Galvanized Prepainted Steel Coil With Black Reverse Coating
Hot-dip galvanized color coated steel coil with black reverse
coating adopts advanced continuous color coating production
process, taking high-quality hot-dip galvanized steel substrate as
the base material, after surface cleaning, passivation treatment,
primer spraying, top color painting and high-temperature baking
curing, forming stable and durable organic paint film on the front
surface, and uniform black anti-corrosion paint on the reverse back
side by reverse coating technology. The whole production process
strictly controls coating thickness, color difference and film
adhesion, effectively avoids paint falling, bubbling and fading
problems, and greatly improves the overall weather resistance, salt
spray resistance and atmospheric corrosion resistance of the steel
coil. The reverse black coating can well isolate moisture, air and
corrosive media, protect the zinc layer of the base steel from
oxidation and corrosion for a long time, extend the service life of
steel products in outdoor harsh environments, and has better
anti-rust effect than ordinary bare back galvanized color coated
sheets.
The product has flat plate shape, tight coil structure, uniform
paint color, smooth surface, excellent bending processing
performance, stamping forming performance and cutting adaptability,
no cracking and peeling during bending and processing, stable size
and small tolerance. It can adapt to various construction
processing and manufacturing links, widely used in industrial plant
roof panels, wall enclosure plates, color steel composite sandwich
panels, warehouse steel structure buildings, agricultural
greenhouse frameworks, roof waterproof pressure plates, outdoor
decoration profiles and other building steel structure fields. At
the same time, it also applies to household appliance shells,
ventilation duct materials, outdoor supporting steel accessories
and other processing industries. With low maintenance cost, long
service cycle, environmental protection and stable paint
performance, it meets international building material environmental
protection standards and outdoor durable use requirements. The
black back reverse coating design optimizes the internal
anti-corrosion matching of color steel plates, reduces later rust
leakage and quality hidden dangers, improves overall structural
stability, matches various common RAL color systems on the market,
supports customized thickness, width, coating weight and color
specifications, stable supply capacity, reliable quality,
cost-effective, and is deeply recognized by global construction
engineering, steel processing and building material wholesale
customers. It resists ultraviolet aging, outdoor wind and rain
erosion, high and low temperature climate changes, maintains stable
appearance and performance for many years, and is high-quality
preferred color steel coil for long-term outdoor building
engineering projects.
Hot-dip galvanized color coated steel coil with black reverse
coating adopts mature and stable continuous color coating
technology, selecting high-quality hot-dip galvanized steel as
original substrate. After professional surface degreasing,
passivation treatment, multi-layer primer coating, front decorative
color painting and high-temperature baking curing, the front paint
film is firm and full, with bright and uniform color, strong UV
resistance and weather aging resistance. The back side adopts
professional reverse coating process, coated with dense black
anti-corrosion paint, which can effectively block moisture, acid
and alkali corrosive substances, avoid zinc layer oxidation and
back surface rust, greatly enhance the overall corrosion resistance
and service life of steel coil, far superior to ordinary bare back
color coated steel products. The finished steel coil has neat edge,
tight winding, flat surface, good ductility and bending
formability, no paint cracking, peeling or falling off during
rolling, bending and stamping processing, size precision is
strictly controlled, matching all kinds of plate processing
technology. It is extensively applied to steel structure
construction, factory roofing, wall panels, sandwich composite
boards, agricultural greenhouses, warehouse buildings, outdoor
decorative profiles and other engineering scenes. The product has
outstanding salt spray resistance, high and low temperature
resistance, wind and rain erosion resistance, low later maintenance
cost, stable quality performance, can adapt to diverse harsh
outdoor climate environments. We support customized thickness,
width, zinc weight, paint thickness and RAL color number, reliable
production capacity, stable delivery, excellent cost performance,
widely favored by global building material traders, engineering
contractors and steel processing customers, is ideal long-life
building color steel material for overseas bulk procurement
projects.
Pre-painted Galvanized Steel Coil With Printed Pattern
