竹内商店 List of Products and Services

The water-soluble dispersion paste "Trial Photolock Aqualite Ink" that we handle is a water-soluble dispersion paste with a high concentration of irreversible UV-reactive colorant in microcapsule form, which changes from colorless to blue in stages depending on the amount of ultraviolet light exposure. By blending this ink with various clear binders and printing on materials such as paper and fibers, it is possible to obtain printed materials that irreversibly change color when exposed to ultraviolet light. 【Properties】 ■ Composition: Photolock (microcapsule-type irreversible UV-reactive colorant) / Water ■ Appearance: Light blue paste ■ Average particle size: 2.0–4.0μm ■ pH: 6.0–7.0 ■ Density: 1.04±0.05g/cm³ ■ Viscosity: 400–6,500mPa·s (at 25℃) (BH type viscometer) ■ Ionic nature: Anionic ■ Solid content: 50.0–53.0% ■ Flammability: None *For more details, please download the PDF or contact us.

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"PIGMII" is a water-based acrylic resin pigment that can be used on various fabrics, offers excellent stretchability, and has high durability against washing and friction, earning the trust of professionals. The price is also more affordable, and we are committed to ease of use. Please feel free to contact us if you have any requests. 【Available in 5 colors】 ■Red ■Yellow ■Blue ■White ■Black *For more details, please download the PDF or contact us.

• paint

The "Photopure AQ Ink" that we handle is a water-based dispersion paste containing a high concentration of photosensitive color-changing pigments that reversibly change color under sunlight (ultraviolet light). By blending it with various water-based binders and printing on fibers or paper, it is possible to create photosensitive color-changing prints. The Aqua Light System also allows for product dyeing on cotton products. 【Usage Instructions】 ■ Use by adding 10-20% to water-based binders ■ Pigment dyeing on cotton products is also possible *For more details, please download the PDF or contact us.

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The product we handle, "Kuromi Color AQ Ink LF Grade," is a water-soluble dispersion containing a high concentration of reversible thermochromic dyes that change color with temperature. It is a low formaldehyde type with a formaldehyde content of 0.06% or less and complies with EU environmental regulations, as it does not contain environmental hormone substances such as bisphenol A. Please feel free to contact us if you have any inquiries. 【Features】 ■ Can be applied to various products such as water-based inks, oil-based inks, paints, and plastic molded products. ■ As it is a microcapsule dye based on unique technology, the contents do not leach out, ensuring safety and stable discoloration function over a long period. ■ Rich in hues. ■ Sharp discoloration temperature. *For more details, please download the PDF or contact us.

• paint