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| Name | Exterior view | Chemical composition | Complex carrier | Characteristics |
|---|---|---|---|---|
| FST-101 Intense Yellow | ![]() |
Chemical composition: Deep yellow | Complex carrier: SBR | Characteristics: Compared to Qingwei, this pigment exhibits superior resistance to bleeding and discoloration, making it an excellent choice for rubber coloring applications. However, it is not suitable for use in small-scale color mixing or blending. |
| First FST-100 Yuan Yellow | ![]() |
Chemical composition: Yellow Yuan | Complex carrier: SBR | Characteristics: The hue is slightly reddish but tends to bleed easily. When added in amounts below 0.2%, it exhibits poor heat resistance, making it unsuitable for use during color matching. |

