PPGI steel is a kind of color-coated steel with hot-dip galvanized steel as the substrate and organic coating on the surface. It is usually sold in coils and sheets. PPGI coils and sheets, as the raw material, can be made into corrugated sheets, sandwich boards, piping systems, fences, doors, and blackboards as metal materials for […]
What is PPGI Steel? Read More »
Because of its excellent corrosion resistance, galvanized steel is widely used in construction, automobiles, home appliances, and other fields. However, even after galvanization, “white rust” may still appear on the surface under certain circumstances, affecting the aesthetics and even reducing the protective ability. What will make the galvanized steel produce white rust, how to avoid
How to Remove White Rust in Galvanized Steel? Read More »
What is a Sandwich Panel? Sandwich panel is a kind of composite material composed of three layers: the outer layer is metal material of various materials, the core is polyurethane, rock wool and other materials with the function of heat preservation and insulation. This “sandwich” structure not only reduces the weight of the building but
Sandwich Panel Manufacturer Read More »
Stainless steel refers to a chromium content of not less than 10.5% of the steel, with good corrosion resistance, high temperature, strength, beauty and easy to clean and other characteristics, common types of stainless steel 304/316/321/401/420/440/2205/2507 stainless steel, according to the composition can be divided into austenitic stainless steel, ferritic stainless steel, martensitic stainless steel,
Different Types of Stainless Steel Read More »
2025.2.25-2.27 Wanzhi Group, as a supplier of construction materials, took part in the ‘Uzbuild 2025’ exhibition of construction and decoration materials at 1 MILLIY BOG STR., TASHKENT, MIRZO-ULUGBEK DISTRICT. Exhibition. During the exhibition, we presented our PPGI steel, PPGL steel, GI steel, GL steel, sandwich panels, roofing panels, corrugated panels, and other products and technologies
Wanzhi UzBuild Tashkent 2025 Tour Ends Successfully Read More »
PPGI and PPGL are two popular pre-painted galvanized steel sheets used in a wide range of applications in the construction, appliance, and automotive industries. The main objective of choosing a PPGI PPGL solution for a project is to find a balance between corrosion risk, processing requirements, and budgetary constraints to reduce project costs. We’ve compiled
PPGI vs PPGL: Which Coated Steel is Better for Your Project? Read More »
The structure of PPGI steel includes galvanized, chemically converted, and painted layers (primer + topcoat). Premium PPGI has a corrosion resistance of 15-30 years, and the rate of coating peeling is less than 3% in the course of use. If your purchased PPGI has the problem of coating flaking in a short period, you can
Causes and Solutions for Flaking PPGI Steel Coatings Read More »
The main raw material for PPGI is galvanized steel, which consists of zinc and steel. Fluctuations in the price of zinc affect the cost of PPGI, while changes in demand from the construction and manufacturing industries also affect the price of PPGI. The price of PPGI is expected to increase by 3-8% in 2025 as
2025 PPGI Price Trend Read More »
What is Zinc Spangle? Zinc spangle is mainly found on the surface of HDG hot-dip galvanized steel, it refers to the hot-dip galvanizing process, the zinc liquid cooling in the steel surface formation of irregular zinc crystal pattern, which the size of the pattern, the density, uniformity can be varied with the process, common galvanized
What are GI Steel’s Spangle? How is it Formed? Read More »
What Are PPGI and PPGL? PPGI and PPGL steel is color-coated steel (prepainted steel), usually produced and sold in coils or sheets, which can be slit, bent, stamped, punched, molded, and other deep processing. (Wanzhi Group provides further processing services). PPGI: Pre-painted galvanized steel, made by coating galvanized iron (GI) with an organic layer (e.g.
How to Choose Between PPGI and PPGL? Read More »
