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What's Spraying?
In many cases, spraying is a common way to treat the surfaces of different parts. It is normal to apply the coating substance using either a spray gun or a disc atomiser. Pressure in the spray gun causes the paint to spray out as tiny and equal-sized drops that coat the surface of the target object. Composite design can be used on various materials mainly, for example, plastic and metal.
Spraying belongs to a broad set of surface finishing, with several specific approaches to it.
Paint Spraying
Powder Coating
Thermal Spraying
Thermoplastic Spraying
Ultrasonic Spraying
Spray Coating Cases
Influenced by the thickness of the spraying
Color Quality
Since paint thickness varies, the colour on the floor may come out differently.
Abrasion Resistance
The thickness of the coating can affect how well the material sticks together and how durable it is to wear.
Structural Impact
When parts relate to each other by simply fitting, having a thick coating can create problems in assembly; and a thin one may wear away quickly.
Cost Efficiency
Having thicker layers of paint will increase the total cost. Besides, it may lengthen the spraying process which raises the cost for farmers.
Reference for Standards of Inspection for Spray-coated Parts
| Test Item | Inspection Standard |
|---|---|
|
Appearance
|
1. Color must match the color card and be glossy (within sample limits).
2. No scratches or fingerprints.
3. No uneven color, dirt, particles, or uneven spraying.
4. No rust.
5. Cut edges must not have sharp burrs or edges. |
|
Salt Spray Test
|
1. No bubbles or rust should occur.
2. 5% saltwater at 35°C, continuous spray time as per customer requirements. |
|
Coating Hardness
|
Pencil hardness should be above H, with no damage or scratches on the paint surface.
Sharpen the pencil tip to a right angle and, applying a force of 1KG, draw an 8CM straight line on the paint surface at a 45-degree angle. |
|
Cross-cut Test
|
No more than 5% paint should peel off the tested surface.
|
|
Paint Compliance
|
The paint used must be accompanied by a corresponding report and comply with ROHS regulations.
|
Spraying FAQs
If you are not sure what kind of surface treatment you should use, you could show a picture of a similar surface treatment to our sales agent. You can count on us to help you without hesitation and give the necessary instructions.
Spray-coating is possible using materials from the groups of metals, plastics, wood, glass and ceramics. If a specific material is what you need, our professionals will be happy to recommend the best coating for your needs.
Different kind of coating materials, how complex the object is and the required curing period set the length of the spray-coating process. Often, the pain lasts for several hours or several days. A more precise schedule can be given for your project.
Benefits of spray-coating include doing the job quickly, obtaining a smooth and level finish and the ability to paint hard-to-reach areas and various forms. Moreover, it ensures that coatings are durable, adhere very well and resist corrosion and wear.
Indeed, a wide range of finishes and colors can be matched easily. To help us match, you only need to give us the colour sample or a specific colour code. Other finishes such as matte, glossy, metallic and textured finishes, are also available.
We use environmentally suggested spray-coating technology that is law-compliant. These coatings contain no harmful chemicals and have fewer volatile organic compounds (VOCs). Let us know if your project requires ideas that are friendly to the environment.
Drying powder particles on the surface and then exposing them to heat builds a durable layer in the powder coating. It is praised for being environmentally friendly and strong. On the other hand, spray painting sprays the paint from a gun instead of using a brush. Depending on your project’s requirements, each approach has positive aspects; so you decide which is best for your situation.
A sample can be tested before we begin, so you are certain it will work well for you. In this way, you are able to observe the finish, the colours and the texture of the wood. Contact our sales group to order a sample of our products.
Spray-coating is able to handle both large and small pieces without difficulty. Because of our specialized instruments and knowledge, we can complete all projects with perfect results, regardless of the item’s dimensions.