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Solvent resistance: Color-changing dye used in thermochromic capsules is sensitive to aliphatic solvent with a few carbons and resistant to aliphatic or aromatic solvent with a lot of carbons. Thermal resistance: If high temperature needs to be applied, less than 10 minutes at 230℃ is recommended. A prolonged operation at high temperature higher than 75℃ must be avoided because thermochromic organic matters may be resolved at higher than 80℃. Light resistance: Thermochromic products have the grade 1 light fastness, so extended exposure to sun may considerably reduce its color-changing effect.

We love colour and have a wide variety of raw colours available in our portfolio to help you achieve the perfect shade for a great hair day! We currently have the following beautiful base ingredients: Basic Red 51 Basic Orange 31 Basic Violet 16 Basic Yellow 87 HC Blue 2, 7, 11 & 15 HC Orange 1 HC Red 1 & 3 HC Yellow 2, 4, 5, & 7 To name a few! We source the best quality ingredients to enhance your product and help you achieve the perfect shade. Can't see the base ingredient you are looking for, give us a call and let us illuminate your spectrum!

Carmine Carmine, also called cochineal is a bright red pigment obtained from the aluminium salt of carminic acid. The pigment is extracted from the female cochineal beetle, (Dactylopius coccus costa), inhabiting only on the prickly pear cactus (Opuntia ficus indica). Grown in Peru, Ecuador and Canary Islands. It is the most stable and vibrant natural colour and is applied across many food applications to give bright pink shades Applications: Soft Drinks, Alcoholic Drinks, Confectionery, Seasonings, Baked Goods, Meat Applications, Desserts, Soups and Sauces, Fat Coatings, Jams and Jellies, Dairy Product

Carbon Black E153 As the name suggests, CarboVegetabilis (or Carbon Black) is made from fine particles of carbonized vegetable material. The finer the particles, the higher the power of coloring. Its most common application form is a water dispersible suspension (paste). Possible shades range from grey to black, depending while offering excellent pH, light and heat stability. Points to note: Although most commonly in powder form, Roha also offers a paste variant should dusty powders wish to be avoided Applications: Hard Boiled Candy, Jellies, Ice Cream, Cookies, Breads