Knowledge - Li Cheung Steel Factory

07/Jun2022

What are the coloring methods of ppgi sheet

With the development of industrial technology and construction industry, people's demand for ppgi sheet is increasing. However, many people still do not understand its composition and application.

31/May2022

How to choose ppgl sheet according to the environment?

Regarding the selection of ppgl sheet , choose the aluminum-zinc coating substrate relative to the pickling environment, and choose the zinc-coated substrate relative to the alkaline environment; in h

25/May2022

Production process and related knowledge of ppgi coil

The production method of ppgi coil is: on the continuous unit, cold-rolled strip steel and galvanized strip steel (electro-galvanized and hot-dip galvanized) are used as the bottom plate. The ppgi coi

17/May2022

What substances should ppgi coil keep away from during storage?

What substances should I keep away from when storing ppgi coil products? Next, our professionals will give you a simple explanation. ppgi coil should be kept away from acids, alkalis, salts, organic s

09/May2022

ppgi coil performance and advantages

ppgi coil coating is a product made of cold-rolled steel sheet and galvanized steel sheet after chemical treatment on the surface (roll coating) or composite organic film (PVC film, etc.), and then ba

29/Apr2022

How to distinguish between hot rolled coil and cold rolled coil

How to distinguish between hot rolled coil and cold rolled coil Cold rolled coil uses hot rolled coil as raw material and is rolling under recrystallization, but it is generally understood as rolling

21/Apr2022

Why does the ppgi coil spray have chromatic aberration?

ppgi coil requires efficient degreasing and chemical treatment. Generally, hot alkaline solution is used for degreasing. For example, degreasing x 105Pa pressure spray using a 0.5~1.5% sodium hydroxid

15/Apr2022

Precautions when packing and unpacking Ppgi coil

When ppgi coil is packaged, operators must wear labor protection equipment correctly. ppgi coil operators must wear wrist straps and protective gloves during operation. When walking in the ppgi coil o

08/Apr2022

How to maintain ppgi coil?

Although factory ppgi coils last many years longer than regular painted panels, ppgi coils still need to be thoroughly cleaned. If there is automatic washing of rainwater, such as roof slabs, no maint

17/Mar2022

Knowledge introduction of corrugated galvanized steel sheet

Corrugated galvanized steel sheet refers to a steel sheet that is galvanized on the surface. Galvanizing is a cost-effective method of corrosion protection that is often used. This process uses about

11/Mar2022

Several common processing methods of galvanized gi steel coil

In the basic necessities of life, the galvanized gi steel coil of various shades, textures and shapes that people commonly use are all processed in the later stage. When the stainless steel plate leav

03/Mar2022

Thickness status of aluminum coil for thermal insulation

There are not many customers who may know about the annealing process of aluminum coils for thermal insulation, and many people ask. Because today I will introduce you to the summary of the aluminum c

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