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Epoxy resins have a nice, glass-like finish and are widely used for several applications. This makes them an ideal material for flooring, automotive parts, and even jewelry. Epoxy resin can also have nice colors when powder coloring pigments are added. These pigments come in different compositions and each type influences the saturation, texture, and stability of the color added.
These pigments for epoxy resin typically come in fine powders for easy mixing and integration with epoxy systems. Here are some of the most common types.
Copper, silver, and gold are some of the most common examples of metallic pigments. These pigments are known for their shimmering finish and high color intensity. They are widely used in epoxy-coated items such as decorative furniture pieces, jewelry, and architectural elements. The metallic epoxy powder pigments reflect light, giving coated surfaces a three-dimensional depth view and almost a complex appearance.
Fluorescent pigments are characterized by bright, eye-catching colors. These pigments, especially under UV light, have a possibility of making a glow or are generally luminous. Fluorescent pigments are commonly used in decorative epoxy applications such as flooring in retail stores and showrooms. This is because they draw attention and add vibrance to the floor’s visual aesthetics.
Pearlescent pigments are made from natural or synthetic mica. It can be coated with titanium dioxide, iron oxide, or other metal oxides to give them a pearlescent-like sheen. These pigments are often added to paint to give it a pearl-like look. This makes them ideal for upscale products like luxury car interiors, high-end cosmetic packaging, and jewelry casting.
What’s more, pearls pigments’ color-changing ability when viewed from different angles makes them ideal for creating unique effects with epoxy resin.
Some of the more common natural mineral powders used as pigments are silica, talc, kaolin, and calcite. These pigments are sourced from minerals and are often used in their natural state. They provide a wide range of earthy, muted colors. Natural mineral pigments are commonly used in industries that prefer eco-friendly materials. Such industries include construction, where the pigments are mixed into protective epoxy coatings and seals for walls and ceilings.
Carbon-based pigments are graphite, carbon black, and charcoal powder. These pigments are often chosen for their deep black and dark tones. Epoxy pigments are added to black epoxy resin to produce jet black finishes. This eventually makes these pigments preferred in the automotive industry for interior components and exterior coatings where black is a preferred color.
Powder coloring pigments are widely used to add color and aesthetic value to epoxy resin in various commercial ventures. They include:
Epoxy floor coating pigments are added to epoxy resins used to create colored coatings for warehouses, garages, sports complexes, or indoor courts. Powder pigments can achieve different colors for each environment and even glossy to matte textures. Pigments also enhance the durability of the coating, making colored coatings highly resistant to wear, chemicals, and UV rays.
Epoxy resins are mixed with powder pigments to produce different colored and much more vivid epoxies applied to jewelry, art pieces, and other commercial items. Jewelry designers often use powder pigments to achieve unique colors and effects. These effects might include metallic flecks or pearlescent sheens. These effects might be hard to achieve using liquid pigments.
Powder pigments are added to epoxy resins to produce coatings for mechanical or structural parts in industrial applications. They protect parts from corrosion and chemical damage. This makes pigments crucial in adding color to minimize the need for subsequent painting while maximizing protection. Industrial parts that commonly employ epoxy coatings include machinery components, pipelines, and electrical enclosures.
What’s more, powder pigments are commonly and specifically found in craft resin kits for DIY projects. These kits allow customers to create their own resin art by adding the desired amount of pigment to the resin. This gives the users full control over the color saturation and transparency for craft projects. Thus, creating a large demand in the market and multiple niches.
The cosmetics industry widely incorporates powdered coloring pigments in epoxy resin formulation. These pigments add color to several products. These products include but are not limited to nail polish, lipstick, and eye makeup. Epoxy resin creates long-lasting, vibrant cosmetic products, thanks to the powder pigments’ ability to provide a wide color range.
Epoxy resin by itself is a tough and durable material. When combined with pigments, it further improves its aesthetic properties. Nonetheless, several factors affect the durability and effectiveness of powder pigments.
Epoxy pigments come in different qualities, but they generally range from basic to premium. The quality of the powder coloring pigments directly impacts durability. Even so, premium-quality pigments boast better lightfastness, heat resistance, and lower color shift, unlike their less-quality counterparts. These properties ensure that the color remains unaffected over time.
The epoxy resin should be mixed thoroughly with the powdered pigments to achieve homogenous and solid color coating. Poor mixing leads to pigment clumping, which causes uneven coloration, weaker bonds, and thus reduced durability in pigmented coated surfaces. The coating’s longevity increases by ensuring even dispersion of the pigment throughout the resin.
Astute users of epoxy know that using too much pigment creates a softer and weaker surface. This is because excess pigment creates a weak bond between resin molecules. This reduces the overall durability of the coated surface, as evidenced by flaking, chipping, and other kinds of damage. Coatings with higher pigment concentration are less prone to chemical attacks. On the other hand, lower concentration ratios create more robust and chemically resistant coatings.
Extreme environmental conditions contribute significantly to wearing down pigmented epoxy, albeit in different ways. Epoxy resins dry to a tough finish. However, this tough film is less tough if excessively exposed to extreme temperatures like direct sunlight for too long. Extreme cold can also become a problem, as it can affect the bond between pigment and resin, leading to surface cracks. Moreover, high humidity levels slow epoxy curing time. This enables dust and other particles to settle on the resin before it sets. Such particles cause defects and spoils coating durability.
Certain chemicals, especially solvents, directly affect pigmented epoxy coatings. Even though pigments improve the coating, exposure to petroleum-based solvents and other aforementioned chemicals tends to degrade the coating over time. Some of these chemicals attack the epoxy resin itself, weakening the bond with pigments and subsequently affecting durability.
Adding colored pigments to resin epoxy creates a smooth and attractive finish to resin items. For buyers to select the right epoxy resin pigments for their customers, they need to consider various factors. Here are some key ones:
Mixing resin with metallic pigments creates mesmerizing effects that are as smooth as glass. Fluorescent pigments are vibrant but should not be in spaces where they can irritate the eyes, like interiors. Pearlescent pigments create a luxurious feel that can elevate jewelry or furniture. Natural mineral pigments are for customers who prioritize eco-friendliness. Carbon-based pigments are the best way to go for buyers whose customers plan to work on paint finishes.
Buyers need to stock pigments in various quantities to handle different jobs. Epoxy resin can be used to do small jobs, such as small decorative items. On the other hand, it can be used to complete large projects like flooring or surface coatings in commercial spaces. So to serve all potential customers, epoxies should be available in both small and large packs.
Adding even the slightest shimmering finish or shine to epoxy can elevate the appeal of an item. This is especially the case for items like cosmetics packaging, luxury décor, and jewelry. Buyers should consider stocking electroplating pigments, metallic pigments, or pearlescent pigments to create a shiny effect. Fluorescent pigments also bring in high levels of brightness that can affect the shimmer.
Most pigments are available in a wide array of colors, ranging from the most basic to the most natural and even the most extravagant. Buyers should consider the color preferences of their target market to select a wider color palette. Epoxy resins for decorative pieces prefer vibrant colors like fluorescent and pearlescent pigments. Meanwhile, industrial projects may require more neutral tones.
Prioritizing the intended use of the epoxy is vital for a successful outcome. Commercial flooring requires pigments with high durability and chemical resistance. Those destined for art projects need pigments with high pliability and straightforward blending ability. Outdoor furniture pigments should be UV-resistant to ensure color fastness.
A1. Yes, so long as they are compatible, mixtures of both can create unique shades and finishes that cater to different textures and depths.
A2. Yes, powdered pigments can be easy to store and have a long shelf life. They should be stored in a cool, dry, and dark place to ensure maximum potency.
A3. Properly dispersing the pigment in the resin during the mixing process is the best way to prevent it from clumping. This ensures that the pigment has fully dissolved.
A4.Floor squeegees and notched trowels are among the most effective tools for spreading pigmented resin coatings on floors evenly.
A4.Provide them with natural mineral powder pigments. These are environmentally friendly and even give sturdy finishes.
