Sparkling Diamond Effect KT-8232 Glitter Bright Red Borosilicate Pigment

KT-8232 belongs to Kolortek's Dreamstar Series — a borosilicate-based pearlescent line engineered for applications where conventional mica-based pigments fall short on brilliance. The substrate here is synthetic calcium aluminum borosilicate rather than natural mica, which yields a flatter, smoother flake surface and a markedly higher refractive index. Titanium dioxide and tin oxide coatings provide both the color and the interference behavior.

The result is a pigment that reads as a vivid, glittering bright red across most substrates — but when applied over dark backgrounds, the interference component becomes visually distinct, adding depth without shifting to a different hue. This is an ordinary interference effect, not a chameleon or color-shift mechanism. What sets KT-8232 apart is raw visual impact: the combination of large particle size (30–150 μm), smooth flake morphology, and high reflectivity produces a diamond-glitter appearance that thinner or smaller-particle pigments simply cannot replicate.

Series and Model Reference

The KT-8000 series, which includes KT-8232, uses calcium aluminum borosilicate combined with titanium dioxide and tin dioxide as the base structure, then incorporates color pigments to produce the final hue. This construction is distinct from standard mica-titanium pearlescent grades and from holographic or thermochromic products.

Composition

Key Optical Characteristics

The optical behavior of KT-8232 comes down to three factors working together:

• High transparency: The borosilicate substrate transmits light more cleanly than natural mica, allowing more of the coating's reflective and refractive behavior to express itself visually.
• Extremely high reflection index: Compared to conventional pearlescent grades, the flake surfaces reflect more incident light — contributing directly to the glitter-like sparkle.
• Large, smooth flake geometry (30–150 μm): Larger flakes produce more discrete, high-intensity sparkle points rather than a diffuse shimmer. This is what creates the diamond-glitter character rather than a soft pearl finish.
• Ordinary interference effect: The pigment appears bright red in direct reflection; over dark substrates, interference color adds visual complexity. There is no angular color shift in the chameleon or flip-flop sense.

Worth noting: KT-8232 performs as a true interference pigment within the borosilicate family — the optical layering between substrate and coating produces the characteristic depth and luminosity that separates it from dyed or surface-coated glitter alternatives.

Applications

KT-8232 is validated across several application categories within the Dreamstar Series:

• Nail coatings: The large particle size and sparkling red effect are well-matched to gel and lacquer nail systems. Dispersion at low shear preserves flake integrity and maximizes visual impact.
• Cosmetics: Suitable for eye shadow, highlighter, and body glitter formulations where a bold, glitter-bright red is required.
• Craft art: Compatible with water-based craft mediums, resin systems, and DIY coatings where manual mixing methods are used.
• Specialty printing: For printing applications where fine particles are preferred, note that the 30–150 μm range requires open printing techniques — screen printing at coarser mesh counts, or flexo where particle size is accommodated by the process.

Practical Formulation Considerations

In practice, the large flake size is both the defining feature and the primary handling consideration. High-shear mixing — planetary mixers running hard, or bead mills — will fracture flakes and reduce the sparkle intensity significantly. Gentle incorporation using paddle or anchor stirring at low RPM is the correct approach.

Dispersion in polar and semi-polar systems is generally straightforward. For solvent-based coatings, standard compatibility screening applies. For water-based systems, a small amount of appropriate wetting agent can improve distribution without requiring aggressive agitation.

That said, loading levels matter. Overloading the pigment relative to binder solids can cause flake crowding, which reduces the optical effect — you want oriented, flat-laying flakes with room to reflect. Typical starting ranges in cosmetic and nail systems sit between 1–5% by weight, adjusted based on the target opacity and effect intensity. Formulators working in craft resins often push higher, up to 10–15%, depending on the base viscosity and pot depth.

Substrate color has a measurable impact on final appearance. On white or light bases, KT-8232 reads as a glittering bright red. On black or dark substrates, the interference layer contributes an additional optical dimension — the red stays vivid, but the depth of the visual field increases noticeably.

How KT-8232 Compares to Conventional Pearlescent Grades

FAQ

Q: Is KT-8232 suitable for use in cosmetic products?
Yes. KT-8232 falls within the Dreamstar borosilicate series, which is listed for cosmetic application. As with any pigment entering a regulated cosmetic formulation, buyers should request the relevant safety documentation — MSDS, TDS, and COA are available from Kolortek. Compliance verification against regional regulations (e.g., EU Cosmetics Regulation, FDA color additive lists) remains the formulator's responsibility.

Q: Does KT-8232 shift color at different viewing angles like a chameleon pigment?
No. KT-8232 produces an ordinary interference effect — it appears as a vivid bright red under standard viewing conditions and shows some additional depth over dark substrates. It does not exhibit the angular hue shift associated with Kolortek's chameleon or color-shift pigment lines. If angular color travel is a requirement, a different product series applies.

Q: Can KT-8232 be used in screen printing inks?
The 30–150 μm particle range makes it incompatible with fine-mesh screen printing (e.g., 200+ mesh). Coarser screen setups, or open-coat application methods, are more appropriate. For fine-detail printing applications requiring smaller particles, Kolortek's mica-based pearlescent grades at narrower particle distributions would be a better fit technically.

Q: How does KT-8232 differ from standard red glitter?
Conventional glitter is typically polyester or aluminum film cut into geometric shapes — it reflects light but has no interference or pearlescent mechanism. KT-8232 is a red glitter pigment built on a borosilicate platform: it combines the discrete sparkle of glitter with the depth and transparency of a pearlescent interference structure. The result is visually richer, with better integration into coating films and cosmetic matrices compared to film-based glitter.

Request Samples or Technical Data

If you are evaluating KT-8232 for a specific formulation or application, samples and full technical documentation — including TDS, COA, and MSDS — are available on request. Formulation support is also offered for qualified development projects. Contact Kolortek directly at contact@kolortek.com to discuss your requirements