Whiteboard Steel Used Prepainted Aluminum Zinc Coil with High Adhesiveness and Preciseness

  Whiteboard Steel Used Prepainted Aluminum Zinc Coil with High Adhesiveness and Preciseness     Brief Introduction 1. Prepainted Aluminum Zinc Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of Galvanized Steel sheets. 2. The base metal for Prepainted Aluminum Zinc Coil is hot-dip alu-Zinc Coated steel. The finish coats of Prepainted Aluminum Zinc Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc. 3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking. 4. The color of the Prepainted Aluminum Zinc Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc. 5. The Prepainted Aluminum Zinc Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.       Production Flow Chart       Specification 1. Thickness: 0.3-0.8mm 2. Width: 914-1250mm 3. Inner Diameter: 508mm 4. Weight of Steel Coil: 3-15MT 5. Available Dipped Layer: 50-150g/m2 6. Surface Texture: Normal Coated 7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice. 8. Front Side Paint Thickness: 15-25μm (bottom paint+top paint) 9. Back Side Paint Thickness: 5-10μm       Mechanical Properties 1. Mechanical properties of base metals

Grade	Tensile Test
	Yield Strength MPa	Tensile Strength MPa	Elongation A80mm % ≥
DX51D+AZ	140-350	270-500	22
DX52D+AZ	140-300	270-420	26
DX53D+AZ	140-260	270-380	30

2. Common performance of front coating (1). Thickness: ≥20μm (2). Pencil Hardness: 2H (3). 60° specular glossiness of coating: >60 (4). 180°bend: ≤3T (5). Impact: ≥9J (6). Salt Fog Resistant: ≥500h (7). Color difference: <3ΔE       Packing       Application 1. Construction:   (Outside) workshop, agricultural warehouse, residential precast unit, corrugated roof, wall, rainwater drainage pipe, terrace, retailer booth, roller shutter door (Inside) door, doorcase, light steel roof structure, folding screen, ceiling, elevator, stairway, vent gutter 2. Electrical appliance: refrigerator, washer, switch cabinet, instrument cabinet, air conditioning, micro-wave oven, bread maker 3. Furniture:  central heating slice, lampshade, chifforobe, desk, bed, locker, bookshelf 4. Carrying trade: exterior decoration of auto and train, clapboard, container, isolation lairage, isolation board 5. Others:  writing panel, garbage can, billboard, timekeeper, typewriter, instrument panel, weight sensor, photographic equipment       Certificates       Quality Control & Test Instruments       Production Line       Factory Overlook       Superiority 1. We had already passed the authentification by the ISO9001 and established a completed set of quality assurance system. 2. Under such a complete set of quality assurance systems, there is a complete set of regulations for ordering, order handling, quality design, purchasing raw materials, working out production plan, production, test and inspection, packaging, storage, delivering, etc. 3. The PC-based production and marketing system not only improves the working efficiency but also assures the quality of product. 4. Our Prepainted Aluminum Zinc Coil lines are equipped with a large amount of online test instruments so that they can ensure and improve the quality of product. 5. We also have a complete set of equipment and techniques for testing and controlling the performance of Prepainted Aluminum Zinc Coil products, which ensures our product quality to take a leading position among the fellow products at home and reach the international standard.  

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