10 Questions You Should to Know about pigment powder wholesale

Ten Hot Questions About Thermochromic Pigments

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iSuoChem Marketing Department / Edited by Jason

Index of Content

1. What are the different types of thermochromic pigments? -------------------1

2. Is there any irreversible thermochromic pigment in the market ? -------------------2

3. What are the basic thermochromic pigment temperature values? -------------------3

4. Is thermochromism reversible? -------------------4

5. What is the reversible thermochromic effect? -------------------5

6. Can irreversible thermochromic pigment be restored to its original color? -------------------6

7. Is thermochromic pigment powder safe? -------------------7

8. What are the properties of thermochromic pigments? -------------------8

9. What are the applications of thermochromic materials? -------------------9

10. What products are made from thermochromic pigments? -------------------10

What is a thermochromic pigment?

Thermochromic pigment is a kind of temperature sensitive pigment powder. The reversible thermochromic substance in microencapsulation is called reversible thermochromic pigment (commonly known as: thermochromic powder, thermosensitive powder or thermochromic dye). The particles of this pigment are spherical with an average diameter of 2~7 microns (one micron is equal to one thousandth of a millimeter). The inside is the color-changing substance, and the outside is a transparent shell about 0.2~0.5 microns thick that can neither dissolve nor melt. It protects the color-changing substance from the erosion of other chemicals. Therefore, it is very important to avoid damaging this shell during use.

iSuoChem is a Chinese thermochromic pigment market supplier that has been engaged in the production, research and development and sales of thermochromic pigments for decades. Among the customers we have met so far, we have encountered the most product questions, which we summarize today as follows:

Question 1. What are the different types of thermochromic pigments?

Answer: Generally, In the thermochromic pigment market, the most common ones are divided into color-to-colorless (also called Discoloration series thermochromic pigments), color-to-colored, and colorless-to-colored (also called color-developing series thermochromic pigments).

Pic#1 Thermochromic pigment colors

Question 2. Is there any irreversible thermochromic pigment in the market ?

Answer: In the thermochromic pigments market, the most common is reversible thermochromic pigments. However, for the needs of some special industries, such as those that must be tested, customers may require a series of irreversible thermochromic pigments.

Question 3. What are the basic thermochromic pigment temperature values?

Answer:

3-1. Thermochromic pigment temperature range ~ Colored to colorless, colored to colored Basic temperature: 18&#;, 22&#;, 25&#;, 28&#;, 31&#;, 33&#;, 35&#;, 40&#;, 45&#;, 48&#;, 50&#;, 55&#;, 60&#;, 65&#;, 70&#;, 75&#;, 80&#; (Some more high temperature thermochromic pigment, please check iSuoChem)

3-2. Temperature color change range ~ Colorless to colored Basic temperature: 35&#;, 40&#;, 45&#;, 48&#;, 50&#;, 55&#;, 60&#;, 65&#;, 70&#;, 75&#;, 80&#;

Tips: The temperature value of the above temperature sensitive pigments means that when this temperature is reached, the temperature-changing color begins to change. When the temperature continues to rise and reaches a certain temperature, the thermal color will change very thoroughly. Basically, it changes from one color to another. At present, the advantages of iSuoChem in the market are mainly reflected in: the temperature change range can be controlled within a very small range, and the temperature range of the temperature-sensitive color change can also be expanded according to customer requirements.

Pic#2 Thermochromic pigment for plastic cups (45&#; high temperature Thermochromic powder from red to colorless)

Question 4. Is thermochromism reversible? (What is reversible thermochromic pigment?)

Answer: Reversible thermochromic can change color repeatedly with the rise and fall of temperature. (Take 35&#; green as an example, the color change form is colorless above 35&#; and green below 35&#;).

Question 5. What is the reversible thermochromic effect? (What are irreversible thermochromic pigments?)

Answer: Thermochromic powder changes color as the temperature rises. After changing color, it will not change back at normal temperature. It is mainly favored by some customers in the detection industry and anti-counterfeiting industry.

(Take 60&#; red irreversible thermochromic pigment as an example. It is a colorless irreversible thermochromic powder at room temperature. When the temperature reaches above 60&#;, the color begins to appear and turns red).

Question 6. Can irreversible thermochromic pigment be restored to its original color?

Answer: Irreversible thermochromic pigment can maintain a dual stable state of colored or colorless in the range of -10~60 degrees. So take 60&#; red irreversible thermochromic pigment as an example. When the color changes from colorless to red. Later, as long as the temperature is higher than -20 degrees below zero, the color will not change back. When the temperature is within the range of -10~60 degrees, it will maintain a dual stable state of color or colorless.

If the irreversible thermochromic powder changes color during transportation or production due to improper protection, will this batch of products be scrapped?
The answer must be NO. We have a way to save it. Generally, if the thermochromic powder or thermochromic product is placed in a frozen environment, the color will change back again. (For specific methods, please consult our relevant engineering personnel)

Question 7. Is thermochromic pigment powder safe?

Answer: Yes, it is safe. We have FDA approved thermochromic pigment to be used in PP water cups.

Question 8. What are the properties of thermochromic pigments?

Answer: iSuoChem thermochromic pigments have the most complete color series, the widest temperature selection range, environmental protection and safety, stable color change, high color concentration, and very little residual color. Thermochromic contains microcapsule color-changing particles with a particle size between 1~10um (conventional ones are 3-5um and 5um), and has the characteristics changed by the capsules such as high temperature resistance and anti-oxidation.

Pic#3 Thermochromic pigment for brand logo (31&#; red thermochromic pigment)

Question 9. What are the applications of thermochromic materials?

Answer: Screen printing, spraying(thermochromic pigment for spraying), injection molding, blow molding, coating, printing and dyeing, transfer printing, glue dripping, filling, hand-painting, etc.

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Pic#4 Black thermochromic pigment black to clear

Question 10. What products are made from thermochromic pigments?

Answer: The thermochromic pigment application market is very large. From the thermochromic pigment market overview in previous years, it can be seen that the thermochromic pigment market value is increasing year by year. The mainstream thermochromic pigment products include these below uses.

Garment industries(thermochromic pigment for clothes fabric), shoes and bags(thermochromic pigment for leather), handicrafts, thermochromic pigment for ceramic mugs, cosmetics, jewelry, toys (e.g. thermochromic powder for slime), tableware and daily necessities, plastics(thermochromic pigments for plastic), adult products, mobile and computer accessories, car decoration (thermochromic pigment for car paint), furniture decoration industry(thermochromic powder coating), etc.

The design of thermochromic products is based on the color change in high temperature environment and low temperature environment, and is mostly used in a series of products for human body temperature sensing, and can also be used for anti-counterfeiting design.

Are you looking to add a splash of colour to your home improvement or crafting projects? Hemway DIY Powder Pigments offer a versatile and cost-effective way to customise materials like grout, epoxy resin, and concrete. This comprehensive guide will walk you through everything you need to know about using pigment powders, including how to mix them, how much to use, and the differences between various types like mica powder and pigment dye.

Tile Grout Dye: Transforming Your Space with DIY Powder

Grout doesn't have to be just a filler between tiles; it can be a design element in its own right. Using Tile Grout Dye, you can customise the colour of your grout to complement or contrast with your tiles, adding a unique touch to your space.

DIY powder pigments are ideal for colouring grout because they blend easily and offer a wide range of vibrant hues. Whether you're renovating your bathroom or updating your kitchen backsplash, coloured grout can make a significant impact.

How Much Grout Powder Dye Do I Need?

Determining the amount of grout powder dye you need depends on the size of your project and the intensity of the colour you desire. Here's a general guideline:

• Standard Ratio: Use approximately 5-10% pigment powder to the weight of the grout. For example, if you have 1kg of grout, you'll need about 50-100 grams of pigment powder.
• Colour Intensity: For a more vibrant colour, you can increase the pigment up to 15%. Be cautious, as too much pigment can affect the grout's performance.

Always mix a small test batch to ensure the colour meets your expectations before proceeding with the entire project.

How Do You Mix Pigment Grout?

Mixing pigment into grout allows you to customise the colour to match or contrast with your tiles. Here's how to do it:

1. Prepare the Dry Grout: Measure the amount of grout needed for your project.
2. Add Pigment Powder: Calculate the required amount of pigment powder (usually 5-10% of the grout weight) and add it to the dry grout.
3. Mix Thoroughly: Stir the dry grout and pigment powder until the colour is evenly distributed.
4. Add Water: Gradually add water while mixing until you achieve the desired consistency.
5. Test the Colour: Apply a small amount to a test area or sample tile to check the colour once dried.
6. Adjust if Necessary: If the colour is too light or dark, adjust the pigment amount accordingly in the next mix.

Ensure you mix enough coloured grout to complete your project to avoid colour variations between batches.

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Epoxy Resin Powder Pigment: Adding Colour to Your Creations

Epoxy Resin Powder Pigments are perfect for artists, jewellery makers, and DIY enthusiasts looking to create stunning, colourful pieces. These pigments are specifically formulated to blend seamlessly with epoxy resin, providing consistent and vivid colours.

From river tables and countertops to resin art and jewellery, adding pigment powder to epoxy resin opens up a world of creative possibilities.

How Do You Use Pigment Powder with Epoxy?

Using pigment powder with epoxy resin is straightforward but requires careful measurement and mixing to achieve the desired effect:

1. Prepare Your Workspace: Ensure your work area is clean, dust-free, and well-ventilated.
2. Mix the Epoxy Resin: Combine the resin and hardener according to the manufacturer's instructions.
3. Add the Pigment Powder: Gradually add the pigment powder to the mixed resin, stirring slowly to avoid introducing air bubbles.
4. Mix Thoroughly: Ensure the pigment is fully dispersed for an even colour.
5. Pour and Cure: Pour the pigmented resin into your mould or onto your surface and allow it to cure as directed.

Remember to wear appropriate protective gear, such as gloves and a mask, when working with epoxy resin and pigments.

How Much Powder Pigment Do I Add to Epoxy?

The amount of pigment powder to add to epoxy resin depends on the desired colour intensity and the type of pigment:

• General Guideline: Use about 2-6% pigment powder by weight of the resin mixture. For example, for 100 grams of epoxy resin, add 2-6 grams of pigment powder.
• Transparent vs Opaque: Less pigment will result in a more transparent finish, while more pigment will create an opaque colour.

It's advisable to start with a smaller amount of pigment and gradually add more until you achieve the desired shade.

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Can You Use Pigment Powder in Cement?

Yes, you can use pigment powder to colour cement and concrete mixes. Adding pigment powders to cement allows you to create coloured concrete for various applications, such as decorative flooring, countertops, planters, and sculptures.

Ensure that the pigment powder is compatible with cement products and designed for outdoor use if the concrete will be exposed to the elements.

How Do You Colour Concrete with Powder?

Colouring concrete with pigment powder involves a few simple steps:

1. Measure the Materials: Determine the amount of cement, sand, aggregate, and pigment powder needed for your mix.
2. Mix the Dry Ingredients: Combine the cement, sand, aggregate, and pigment powder thoroughly while dry to ensure even colour distribution.
3. Add Water: Gradually add water to the dry mix, stirring continuously until you reach the desired consistency.
4. Pour and Set: Pour the coloured concrete into your mould or formwork and allow it to set as per standard curing times.

Consistency is key when mixing batches to maintain uniform colour throughout your project.

What Is the Difference Between Mica Powder and Pigment Dye?

While both mica powder and pigment dye are used to add colour, they have distinct differences:

Mica Powder

• Composition: Made from natural minerals ground into a fine powder.
• Appearance: Provides a shimmering, pearlescent effect due to its reflective properties.
• Uses: Ideal for cosmetics, soap making, resin art, and decorative finishes.

Pigment Dye

• Composition: Synthetic or natural substances that impart colour by absorbing certain wavelengths of light.
• Appearance: Offers solid, vivid colours without shimmer.
• Uses: Commonly used in paints, inks, plastics, and colouring grout or concrete.

Choosing between mica powder and pigment dye depends on the effect you want to achieve in your project.

 

Additional Tips for Using DIY Powder Pigments

Measuring Accurately

• Use a Scale: Weigh pigments and base materials for precise measurements.
• Consistent Ratios: Maintain consistent pigment-to-base ratios across batches to ensure uniform colour.

Mixing Techniques

• Dry Mixing: Always mix pigment powder with dry base materials before adding liquids to prevent clumping.
• Gradual Addition: Add pigment powder slowly while stirring to achieve an even distribution.

Safety Precautions

While working with pigment powders is generally safe, it's important to follow safety guidelines:

• Wear Protective Gear: Use gloves, masks, and eye protection to prevent skin contact and inhalation of fine particles.
• Work in a Ventilated Area: Ensure good airflow to disperse any airborne particles.
• Clean Up Carefully: Use a damp cloth to clean surfaces and prevent the spread of pigments.

Frequently Asked Questions

Can I Mix Different Pigment Colours?

Yes, you can blend different pigment powders to create custom colours. Mix small amounts first to test the resulting colour before scaling up.

Will the Colour Fade Over Time?

High-quality pigment powders are designed to be lightfast and resist fading. However, exposure to harsh UV light and weather conditions can affect longevity. Using a sealant or UV-resistant topcoat can help preserve the colour.

Can I Use Food Colouring as a Pigment?

Food colouring is not recommended for projects involving cement, grout, or epoxy resin as it's not colourfast and can degrade over time. Stick to pigments specifically designed for these materials.

Conclusion

DIY Powder Pigments offer a world of possibilities for customising and enhancing your projects. From adding vibrant colours to grout and concrete to creating stunning epoxy resin art, these versatile pigments are a must-have for any DIY enthusiast. By understanding how to measure, mix, and apply pigment powders effectively, you can achieve professional-looking results that showcase your personal style.

Ready to start your next colourful project? Explore high-quality pigment powders at hemway.com and unleash your creativity today.

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