Colorful steel plate
Posted 2025-10-23 03:10:24
0
33

Color-Coated Steel Sheet
Color-coated steel sheet, also known as colored coated steel sheet or pre-coated steel sheet, is a composite material made by coating or laminating various organic coatings or plastic films on the surface of metal coils (such as cold-rolled steel sheets, hot-dip galvanized steel sheets, aluminum-coated steel sheets, high-aluminum alloy sheets, stainless steel sheets, etc.) as the base material.
1. Product Characteristics
1) Main Purposes of the Coating on Color-Coated Steel Sheets
To provide protection, insulation, and decorative effects. The coating forms a dry protective film on the surface of the material, thereby endowing the base with properties such as resistance to atmospheric corrosion, pollution, and aging, while enhancing its aesthetics, including color, luster, texture, and more.
2) Main Characteristics of Color-Coated Steel Sheets
Color-coated steel sheets combine the advantages of both organic polymers and steel sheets. They not only possess the excellent colorability, formability, corrosion resistance, and decorativeness of organic polymers but also have the high strength and easy processability of steel sheets. They can be easily processed through operations such as blanking, bending, deep drawing, and welding.
3) Color-Coated Steel Sheets Come in a Wide Variety, with Basic Classifications as Follows:
a) Classification by base material: Cold-rolled steel sheet, hot-dip galvanized steel sheet, electro-galvanized steel sheet, alloyed steel sheet, galvanized-aluminum steel sheet, electro-galvanized alloy steel sheet, tin-plated steel sheet, chrome-plated steel sheet, aluminum sheet, etc.
b) Classification by processing technology: Organic coated steel sheets manufactured by methods such as roll coating, spray coating, powder coating, film lamination, and printing.
c) Classification by number of coating applications: One-coat one-bake, two-coat two-bake, three-coat three-bake, etc.
d) Classification by pattern: Wood-grain sheet, marble-pattern sheet, pearl-pattern sheet, suede-pattern sheet, metallic-effect pattern sheet, cement mortar-pattern sheet, etc.
e) Classification by coating type: Polyester (PE), high-durability polyester (HDP), silicone-modified polyester (SMP), polyvinyl chloride (PVC), polyurethane coating (PU), epoxy resin coating (EP), fluorocarbon coating (PV [Note: The original text is incomplete; the full name is usually Polyvinylidene Fluoride (PVDF) for fluorocarbon coatings]).
2. Typical Production Process Flow of Coated Steel Sheets
1) The Entire Production Line Consists of the Following Four Parts:
a) Inlet section: Equipped with equipment such as uncoilers, edge trimmers, seam welders, and accumulator loops. Its function is to unroll the raw material coils and connect them, so as to continuously supply metal sheets to the production line at a uniform speed.
b) Pretreatment section: Cleans the steel sheet to be coated and performs surface treatment to improve corrosion resistance and the adhesion of the paint film.
c) Coating section: The core part of the entire production line. It usually adopts a two-coat two-bake process where both the front and back sides are coated simultaneously, i.e., primer coating (initial coating) → baking and curing → cooling → topcoat coating (finish coating) → baking and curing → cooling. Depending on product requirements, it can also adopt a one-coat one-bake process or coat only one side. During painting, reverse or forward roll coating can be used. The oven temperature is controlled in sections, and the temperature of each section depends on the type of coating used, the thickness of the base sheet, and the time it takes to pass through the oven.
d) Outlet section: Slits the finished product into coils (or cuts it into individual coils of the required size).
2) The Process Flow of a Common Two-Coat Two-Bake Color-Coated Production Line is:
Uncoiling → Seam welding → Inlet accumulator loop → Cleaning → Pretreatment → Initial (finish) coating → Initial (finish) curing → Cooling → Outlet accumulator loop → Cutting → Coiling.
3. Application Fields
Color-coated steel sheets are widely used in multiple fields:a) Construction industry: Used for the decoration and protection of exterior walls and roofs, providing an attractive appearance and durability.
b) Home appliance industry: Used in the manufacturing of home appliance casings, providing corrosion resistance and an aesthetic surface finish.
c) Decoration industry: Widely used in indoor and outdoor decoration.
d) Temporary construction industry: Used in the construction of temporary enclosures, temporary office spaces (prefabricated houses), and the construction of emergency sites (mobile cabin hospitals), etc.
Search
Nach Verein filtern
- Art
- Causes
- Crafts
- Dance
- Drinks
- Film
- Fitness
- Food
- Spiele
- Gardening
- Health
- Home
- Literature
- Music
- Networking
- Other
- Party
- Religion
- Shopping
- Sports
- Theater
- Wellness
Read More
赵露思事件
天天热搜,还爆,以为什么大事呢,没想到就是明星生病了。
不反感赵露思,说的社会现象。祝她早日康复。
A large-capacity multi-functional bag that integrates functionality and practicality
1.Made of waterproof Oxford fabric, it is wear-resistant, durable and can withstand light rain....
全面解析SP2S電子煙:結合科技與口感的霧化新體驗
近年來,電子煙市場在台灣迅速發展,各大品牌爭相推出更具科技感與口感還原度的產品,而 sp2s電子煙 正是在這股趨勢中嶄露頭角的品牌之一。憑藉穩定性能與優質口感,SP2S...
Made in the Philippines. A fast-assembly container house and prefabricated house manufacturing facility in the Philippines. Quick installation and low cost. Can be moved to multiple locations for continuous use. Capable of large-scale and small-scale prefa
We're a factory in the Philippines, producing our own raw materials, prefabricated dormitories,...
TimeStar海外仓(TEMU、TK官方合作仓)
支持头程+仓配在线下单自营海运整柜/拼箱备货直送仓库,高效上架绑定合作仓,获取专属流量加持[庆祝]节前备货BOSS尽快安排出票🤝...