松井色素化学工業所 List of Products and Services

"Chromicolor(R) AQ Ink" is a water-soluble dispersion paste that contains a high concentration of pigments that change color with temperature. By mixing this product with a clear binder and printing it on fibers or paper, you can obtain thermochromic prints and printed materials. Additionally, thanks to the Aqua Light System, this product can also be used for dyeing cotton fibers. Please feel free to contact us if you have any inquiries. 【Properties (partial)】 ■ Appearance: Colored paste ■ pH: 6.0–7.0 ■ Density: 1.04±0.05g/cm3 ■ Viscosity: 400–6,500mPa·s ■ Ionicity: Anionic ■ Flammability: None *For more details, please refer to the PDF document or feel free to contact us.

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"Photopia Color" is an organic photochromic dye that reversibly changes color and fades under sunlight or ultraviolet light. This product can be dissolved in solvents or plasticizers to create paints, inks, and more. Additionally, by heating and kneading it with polyethylene or polypropylene resins, various molded products can be obtained. It is suitable for a variety of applications, including sunglasses, photochromic films, and textiles. 【Properties】 ■ Composition: Organic photochromic dye ■ Solubility: Insoluble in water, soluble in most organic solvents ■ Melting point - Yellow: 162–163℃ - Purple: 237–238℃ - Blue: 257–258℃ *For more details, please refer to the PDF document or feel free to contact us.

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"Kuromi Color AQ Ink LF Grade" is a water-soluble dispersion paste that contains a high concentration of pigments that change color with temperature. It is a low formaldehyde type with a formaldehyde content of 0.06% or less. Additionally, it does not use the environmental hormone substance bisphenol A. By mixing this product with a clear binder and printing on fibers or paper, you can obtain thermochromic prints or printed materials. 【Properties (partial)】 ■ Appearance: Colored paste ■ Density: 1.04±0.05g/cm3 ■ Ionicity: Anionic ■ Solid content: 45.0±2.0% ■ Flammability: None *For more details, please refer to the PDF document or feel free to contact us.

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"Chromicolor(R) MS Powder" is a pigment that changes color with temperature. By blending it into solvent-type transparent inks suitable for your purpose and performing screen printing or gravure printing, you can obtain printed materials with thermochromic properties. Additionally, as a dry colorant for molding resins, it can be blended into resins according to your needs, and by performing melt kneading with an extruder, it is also possible to create colored pellets or color masterbatches with thermochromic functionality. 【Properties】 ■Appearance: Various colored powders ■Composition: Microcapsule thermochromic pigment ■Density: 1.05±0.05g/cm3 ■Bulk density: 0.3±0.05g/cm3 *For more details, please refer to the PDF document or feel free to contact us.

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"Chromicolor(R) MS-2 Powder" is a thermochromic pigment that reversibly changes color with temperature. It is designed with a smaller particle size compared to our product "Chromicolor(R) MS Powder." By incorporating it into printing inks for offset printing, you can achieve vivid thermochromic printed materials. Additionally, this product does not use bisphenol A. 【Properties】 ■ Appearance: Colored powder ■ Composition: Microcapsule thermochromic pigment ■ Average primary particle size: 0.6 to 1.0 μm *For more details, please refer to the PDF document or feel free to contact us.

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Our "Photopia Color W" is a product that encapsulates photosensitive color-changing pigments within microcapsules. Coatings and printed materials using this product will develop color when exposed to sunlight (or ultraviolet light) and will undergo reversible color changes multiple times in the dark. It enables the creation of photosensitive color-changing products without being affected by additives (such as vehicles) in paints or inks. 【Properties】 ■Appearance: Very light-colored powder ■Components: Microcapsulated Photopia Color (photosensitive color-changing pigment) ■Average particle size: 13±2μm ■Apparent specific gravity: Approximately 0.3 *For more details, please refer to the PDF document or feel free to contact us.

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"Thermolock79 MS-2 Powder" is a semi-irreversible thermochromic pigment. It changes color when heated to temperatures above 75-85°C (complete decolorization lock temperature). It does not exhibit color at normal environmental temperatures. Additionally, to restore the color, it must be cooled to below -30 to -35°C (color restoration preparation point temperature). By blending it with various printing inks, thermochromic printed materials can be created. Please feel free to contact us if you need assistance. 【Properties (partial)】 ■ Components: Semi-irreversible thermochromic microcapsule pigment ■ Density: 1.10±0.05g/cm3 ■ Bulk density: Approximately 0.28g/cm3 ■ Average particle size: Approximately 10μm (average primary particle size: 0.5-0.8μm) *For more details, please refer to the PDF document or feel free to contact us.

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"Trial Photolock Aqualite Ink" is a water-soluble dispersion paste that contains a high concentration of irreversible UV-reactive colorants in microcapsule form, which change from colorless to blue in stages depending on the amount of ultraviolet light exposure. By mixing this product with various clear binders and printing on materials such as paper and fibers, it is possible to create printed materials that irreversibly change color when exposed to UV light. It can be used for various applications, such as sunburn warnings and detecting when to replace UV lamps. 【Features】 - Non-flammable - Changes from colorless to light blue, blue, and dark blue according to cumulative light exposure - The change does not revert to colorless once the exposure is stopped - When exposed again, the color intensity increases according to the accumulated light exposure - Available in types that change in minutes and types that change in hours *For more details, please refer to the PDF document or feel free to contact us.

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"Aroma Granule AQ Ink" is a water-based paste that combines various fragrances in a stable and high concentration using our unique microencapsulation technology. By mixing it with various binders and screen printing, fragrance prints can be realized. When the printed area is rubbed or pressed by hand, the microcapsules break, releasing various aromas. Additionally, as long as they are not broken, they can remain stable for several years. We offer a variety of scents including strawberry, lemon, and orange. 【Properties (partial)】 ■ Appearance: Milky white paste ■ Average particle size: 2.0–4.0μm ■ pH: 6.0–7.0 ■ Density: 1.00±0.05g/cm3 ■ Ionic nature: Anionic *For more details, please refer to the PDF document or feel free to contact us.

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"Hydro Chromic White C-1224" is a water-based functional binder for screen printing on various fibers such as cotton, polyester, nylon, and their blends. When this product is printed on fibers, the coating instantly changes from white to transparent when wet with water after drying. Once dry, it returns to its original opaque white state. The coating is flexible, excellent in water resistance and friction strength, making it suitable for functional applications in toys, such as diapers for milk-only dolls. 【Features】 ■ Flexible and excellent in water resistance and friction strength ■ Instantly changes from white to transparent when wet with water ■ Returns from transparent to white state once dry ■ Can conceal the underdrawing by using it on printed fabric ■ By incorporating Neo Color, it is possible to enhance opacity further *For more details, please refer to the PDF document or feel free to contact us.

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This document summarizes the discoloration temperature range of "Chromicolor," handled by Matsui Color Chemical Co., Ltd., in a table format. It includes 16 types ranging from 025 to 060. Please note that this product may experience abnormal discoloration temperature ranges due to long-term storage and temperature conditions. However, by applying a temperature of 65°C or higher and completely bleaching it once, it is possible to return to the normal discoloration temperature. [Contents (partial)] ■Type ・025 ・015 ・07 ・5 ・8 *For more details, please refer to the PDF document or feel free to contact us.

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Matsui Color Chemical Industry Co., Ltd. is a company engaged in the manufacturing and sales of printing pigments, inkjet inks, transfer paper, thermochromic and photochromic functional dyes and their applications, as well as water-based paints for wallpaper. Through relentless research and development and high technical capabilities, we have created a diverse range of products that generate new value. Today, we focus on "dyeing materials, functional materials, and transfer paper," featuring eco-friendly products, and we cater to customer needs across a wide range of regions, including not only Japan but also the Middle East, Southeast Asia, and Central America. If you have any requests or wishes regarding colors, we are committed to product development based on the know-how we have cultivated over many years. 【Business Activities】 ■ Manufacturing and sales of printing pigments, inkjet inks, transfer paper, thermochromic and photochromic functional dyes and their applications, as well as water-based paints for wallpaper. *For more details, please refer to the PDF document or feel free to contact us.

• Ink/Toner
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• Other consumables

The "Thermo Marker 80" is a temperature detection marker that changes color from red to yellow at 80°C, using an ink that does not revert back once it has changed color. It can be written on surfaces such as screw heads and copper bars, and can also be used as a substitute for temperature indication seals. Since it allows for simultaneous checking of connection points and temperature adjustment, it enables efficient work. 【Features】 ■ Changes from red to yellow above 80°C ■ Irreversible type ■ Can be freely written on any desired location (oil-based type) ■ Does not contain environmentally harmful substances (lead, mercury, hexavalent chromium, etc.) *For more details, please download the PDF or feel free to contact us.

• Other consumables