Specification
Thermochromic specs focus on activation accuracy and capsule durability. Our QF-Smart series is the industry standard for heat-reactive textiles.
| Property | Thermochromic Specification |
|---|---|
| Material | High-Tenacity Polyester + Micro-Encapsulated Pigment |
| Activation Temperature | Standard 31∘C (88∘F) / Custom Options |
| Color Transition | Color-to-Color / Color-to-Clear |
| Metric Weight | 120D/2 (40wt Equivalent) |
| Tenacity | ≥750g (Protected capsule core) |
| Wash-Fastness | Grade 3.5 - 4.0 (Gentle Wash) |
| Safety | BPA-Free / Non-Toxic Polymer |
| Life Cycle | ≈2,000 to 5,000 transitions |
Usage Tip: For the best "Body-Heat" reaction, use this thread on garments that fit close to the skin, such as T-shirts or Activewear.
Application
Color Change Thermochromic Thread is a powerhouse in Children's Interactive Apparel. It is used for "Magic" designs where dinosaurs change color or secret stars appear when a child wears the shirt. The Promotional and Event industry uses it for "Touch-Sensitive" logos on hats and tote bags to create social media "buzz."
Activewear and Performance Brands utilize thermochromic thread for "Intensity Tracking"—the embroidery changes color as the athlete's body temperature rises. High-Tech Streetwear uses it for "Mood" graphics that shift throughout the day. The Safety Gear sector uses specialized versions as a "Heat Warning" indicator on work gloves or industrial uniforms. Interactive Art Installations and "Smart" home textiles (like heat-reactive cushions) utilize these yarns for sensory experiences. Additionally, it is popular in Novelty Giftware like embroidered coffee sleeves. Finally, it is used in Security Labeling where a heat-activated color change serves as an anti-counterfeit feature.
Advantages
- Interactive Engagement: Turns a standard embroidered design into a "Smart" product that responds to the environment.
- Enhanced Brand Storytelling: Allows brands to hide messages or change aesthetics dynamically, perfect for marketing.
- Advanced Capsule Protection: Engineered to withstand industrial embroidery speeds without losing the color-change effect.
- BPA-Free & Safe: Modern non-toxic formulation makes it safe for all apparel, including children's and baby-wear.
- High-Sensitivity Reaction: Calibrated to react to human body heat (31∘C), ensuring the "Magic" happens easily.
- Industrial Washability: Durable micro-capsules ensure the effect lasts through many domestic laundry cycles.



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