Colors & Finish

What are Daylight Fluorescent Powder Coating?

Pigments that can be stimulated by light to give brighter and more brilliant colours than conventional pigments are known as fluorescent pigments. Often, it is UV light that is responsible for this brilliance, so these pigments can also be known as UV fluorescent pigments. When an abundance of UV light is present, for example in a blacklight, they will be seen as bright and eye-catching colours. If the same eye-catching advantages are wanted without the use of a blacklight, pigments that are stimulated by daylight are needed.

Fluorescent pigment is a material with great visual impact. It can instantly make ordinary colors “brighten” and emit dazzling brilliance under various lights. When fluorescent pigments are combined with powder coatings, ordinary items become bright and practical. Fluorescent pigments are generally divided into two categories: water-based fluorescent pigments, mostly used in stationery and textiles; thermoplastic fluorescent pigments: suitable for plastics, inks, powder coatings and other fields, with stronger temperature resistance.

Five major application scenarios of fluorescent pigment powder coatings:

1. Traffic safety signs and infrastructure;

In urban roads, highways, and construction areas, fluorescent powder coatings are widely used in guardrail coatings (fluorescent yellow, fluorescent orange), bridge anti-collision columns, safety warning signs and markings, etc. Case: A highway project in California, USA, used fluorescent orange powder coatings to spray construction guardrails, and the traffic accident rate dropped by 12%.

2. Industrial equipment;

In factories, warehouses, and heavy industrial scenes, fluorescent powder coatings are used for key components of mechanical equipment, dangerous area warning coatings, shelves and ground guide lines, etc. Recommended colors: fluorescent green is used in safe areas, fluorescent red is used to mark emergency buttons, and fluorescent yellow is used as a warning mark.

3. Outdoor Sports

The vibrant and dynamic nature of fluorescent pigments makes them especially suitable for outdoor sports and recreational equipment, such as bicycle frames, skateboards, snowboards, and amusement park rides. Fluorescent pink and fluorescent blue have become popular choices for youth-oriented skateboard brands.

4. Home Decoration

Modern home décor and artistic design increasingly seek individuality and a sense of futurism. Fluorescent pigment powder coatings are used on lamps, decorative objects, and as accent highlights on walls to create striking visual effects.

5. Car and Motorcycle Customization

Fluorescent pigments are highly popular in the car and motorcycle customization communities. They are commonly used on wheel spokes, brake calipers, body decals and stripes, motorcycle fuel tanks, and frames.

Fluorescent colors are especially eye-catching during night rides — not only do they look cool, but they also enhance riding safety.

There are two production methods for fluorescent powder coatings:

Common fluorescent pigments are red, green, yellow, blue, orange and other colors. When preparing fluorescent powder coatings, a series of products with good thermal stability and easy dispersion should be selected. There are two production methods for fluorescent powder coatings: one is the dry mixing method and the other is the wet method.

1. Dry mixing method: simple operation, but the surface is slightly rough.

Dry mixing method (mixing various materials directly together), its practice is: first use low-temperature curing translucent powder resin as “base material”, add about 6% fluorescent pigment, and then use special equipment to fully mix them, and finally sieve them to become powder coating products.

The advantages of this method are: the color is very bright, it is also simple to make, and you don’t need to add too much pigment to achieve a good effect. However, there is also a small disadvantage-because the pigment is not dispersed very thoroughly, after being applied to the surface of the object, the texture may not be delicate enough, and it will look a bit “grainy”.

2. Wet method: The color is more stable, but the cost is higher.

The process of the wet method is a little more complicated. Its steps are: pre-mix the resin, curing agent, filler, fluorescent pigment and various additives, and then use a machine to fuse them at high temperature, and then break the bulk materials, grind them into powder, sieve and package them.

The powder coating made by this method has a particularly smooth surface and a more stable color. However, because the whole process is more complicated and more fluorescent pigments are used, the cost will be higher than the dry mixing method.

Product characteristics：

Daylight fluorescent pigments can absorb partial light, and turned it into longer wavelength,and it appears brighter and more vivid color .So it is widly recommended in inks, paint,plastic and coating.

Physical and chemical properties of the products：

Colour light (compared to standard)	Approximation
Colouring power (compared to standard sample)	100±5%
Specific Gravity(density)	1.2-1.3g/cm3
Average particle size	3-5µm
Average softening point	≥240°C
Oil absorption capacity	40-60 g/100g pigment

Application:

Water-based textile printing pastes, water-based paper coatings, coloured clay, low-temperature plastic colouring.

Resin type	Application
Thermoplastic	PP,PE, water based coating
Thermoplastic	Molded and extruded ,PP,PE, PET ,powder coating
Thermoplastic	Blow molded bottle ,masterbatch
Thermoset	ink ,paint  ,powder coating
Thermoset	PP,PE,PVC,masterbatch,paint ,inks ,coatings  ,powder coating
Thermoset	ink ,paint ,coating,lether coloring
Thermoset	PP,PE,PVC,TPR,EVA,rubber

 

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