Silicone Rubber Polyurethane (PU) Coating Ink
Product Description
Silicone PU ink offers excellent adhesion, flexibility, and durability on silicone, rubber, and synthetic materials. It provides superior abrasion resistance, chemical stability, and weatherproof performance, ensuring long-lasting prints. The ink cures quickly under heat or UV, delivering vibrant colors and a soft-touch finish.
Application
Mainly applied to silicone cellphone case, silicone keypad and other silicone rubber products.
Application Ratio
Silicone ink: 100g
Mixer(catalyst): 2~3g
Thinner: 300~500g
Processing
1. Pick out appropriate ink at ratio (100/2-3) into a cleaning barrel, mixed with catalyst thoroughly.
2. Diluting for three to five times with thinner (Toluene, White Gas or Dimethyl- benzene).
3. About 5-10min mixing
4. Filtrating with 300 mesh filter screen for twice before spraying.
5. Max 12hours working time for mixed ink.
6. Keeping 22℃ working temperature
All the above physical data only for reference.
Baking method
A.Oven:Baking at 180℃ for 20 minutes.
B.IR strip: Baking at constant temperature 200℃ for 7 minutes
Attention
1. This agent including volatile solvent, please keep ventilating and far away from heat and open flame.
2. Avoid skin contact for a long time and vapor inhalation
3. Washing with soap once skin contact.
Storage
Stored at room temperature for 6 months with any mixing.
Packing
1KG/Bottle.
Application range:
| Test item |
Test condition and method |
Result |
| Adhesion |
The case method, tape 3M610# for 3 times |
5B |
| RCA tape friction |
spraying thickness 25μm, loading 175g, cycle friction |
>5000 times |
| High temperature and humidity resistance |
80℃/98%RH, placed 48hrs |
no abnormality |
| Boiling water resistance |
100℃ water , placed 1 hr |
no abnormality |
| Cold and thermal impact resistance |
- 40℃*1hr 80℃*1hr , 27 cycles |
no abnormality |
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